# JAMMERSIGNAL


## Posts

- [Can the jamming signal of the 5G signal jammer continue to penetrate two walls?](https://www.jammersignal.com/jamming-signal-of-the-5g-jammer-continue-to-penetrate-two-walls/): Customers often expect 5G signal jammers to be able to penetrate walls, and even expect the jammers to maintain sufficient strength when passing through two walls. The realization of this expectation depends on the wall material. When the interference signal of the 5G jammer encounters a reinforced concrete wall on the transmission path, the signal will be significantly attenuated and reflected. Behind such a wall, the interference signal received by the 5G jammer will be very weak, possibly close to zero. If it encounters a second wall, the interference signal will be completely attenuated. For example, in a building without […]
- [JAMMERSIGNAL Electronics Co., Ltd. teaches you how to choose the right cell phone signal jammer](https://www.jammersignal.com/jammersignal-teaches-you-how-to-choose-right-cell-phone-jammer/): 5G Cell Phone Signal Jammer With the increasing popularity of mobile networks, the use of 5G cell phone jammer is becoming more and more widespread. These 5G jammers are mainly used in various occasions, such as examination rooms, conference rooms, government facilities, prison detention centers, and other similar places. The application of cell phone signal jammers varies depending on the specific occasion. When purchasing a cell phone signal jammer, it is crucial to choose a product that can effectively test its shielding ability. During the purchase process, it is crucial to ensure that the jammer can shield all current cell […]
- [Safe use of signal Jammer devices](https://www.jammersignal.com/safe-use-of-signal-jammer-devices/): In today’s world, many people are concerned about protecting their privacy due to advances in wireless signals and GPS technology, which brings with it the risk of having their personal information stolen. The devices we use every day, such as mobile phones, laptops, and GPS navigators, increase the vulnerability of privacy. For example, the use of GPS can expose our location and make us vulnerable to tracking, while Wi-Fi connections can be exploited by malicious people to steal information. It is vital to take appropriate measures, and one of these measures is to use a cell phone jammer. Obviously, these […]
- [The latest foreign jammer information](https://www.jammersignal.com/latest-foreign-jammer-information/): Because of the low signal strength, GPS jammer can disrupt large areas using car batteries, frequency conversion, and metal struts. One major change is in the range of smartphone radio waves cutoff. The drone already had a range of 75 miles. With the latest update to the signal blocking technology, the drone pod can now jam signals up to 135 miles away from the transmission point. TASS reports that this 60-mile range is 3.5 times the initial range. There are three major threats to the GNSS system: jamming, spoofing, and counterspace capabilities. Ground-based receivers can jam commercial equipment, and as […]
- [Cell phone jammers are a necessity in daily life](https://www.jammersignal.com/cell-phone-jammers-are-necessity-in-daily-life/): Cell phone signal jammers offer a solution to these problems and have a wide range of applications. Their portable design allows you to carry them with you. They effectively block the transmission of information and play an active role in maintaining privacy. Many people buy these jammers for personal use, especially in theaters, hospitals, and other restricted areas where cell phones are prohibited. It is important to ensure that the jammer works within its effective range and can interfere with hidden tracking devices. If you want to buy the best 4G cell phone jammer at an affordable price, consider learning […]
- [The US jammer market is the fastest growing](https://www.jammersignal.com/us-jammer-market-is-the-fastest-growing/): GPS jammers have a variety of applications and have become very important due to the increasing importance of surveillance in our lives. Many people believe that maintaining privacy is becoming increasingly challenging and therefore prefer to use jammers or jamming technology. One of the largest markets for jammers is the United States, which is known for its innovation and specialization in surveillance and security. Support from the North American region has contributed to the rapid growth of these technologies. In addition, support from the US market has directly contributed to the development of smart wearable jammers. Given the wide range […]
- [Why is prison wifi jamming technology needed?](https://www.jammersignal.com/why-is-prison-wifi-jamming-technology-needed/): Using jammers can provide certain advantages in specific situations. Here are some potential advantages of using jammers: 1.Privacy protection: Jammers can help protect privacy by blocking or interfering with signals used for surveillance devices, such as hidden cameras or recording devices. They can prevent unauthorized access to sensitive information and conversations. 2.Security enhancement: Jammer can be used to enhance security by blocking unauthorized communications within restricted areas. For example, they can prevent the use of unauthorized mobile phones or wireless devices in sensitive locations such as bases, government facilities, or prisons. 3.Preventing disruptive behavior: Jammers can be used to prevent […]
- [Which brand of cell phone signal jammer is better?](https://www.jammersignal.com/which-brand-of-cell-phone-jammer-is-better/): People often ask about the best cell phone signal or cell phone jammer brands. The answer is simple: when choosing a cell phone signal jammer, it is best to go with a reputable brand. For example, JAMMERSIGNAL offers a well-respected cell phone signal jammer brand that is known for its excellent pre-sales and after-sales service. When choosing a reliable cell phone signal jammer brand, there are certain factors that you should consider. Here are some basic considerations when choosing a quality cell phone signal jammer brand: 1.Quality and performance: Look for a brand that prioritizes quality and offers jammers that […]
- [What effect does temperature have on GPS jammers?](https://www.jammersignal.com/what-effect-does-temperature-have-on-gps-jammers/): When a mobile phone is in use, it works within a specific frequency range, establishes a connection with a base station through radio waves, and transmits data and sound according to a specific baud rate and modulation method. The cell phone jammer scans the frequency range from the low end to the high end of the forward channel at a specific speed. This scanning speed will cause garbled interference to the signal received by the mobile phone, making it impossible for the mobile phone to detect the normal data sent by the base station, resulting in the mobile phone being […]
- [Application sites of drone jamming systems](https://www.jammersignal.com/application-sites-of-drone-jamming-systems/): With the rapid development of the drone industry, the number of civilian drones has continued to increase because of their high speed and ease of use. However, the problem of unauthorized drone flights (also known as “black flights”) has become a serious problem because it infringes on people’s privacy, poses risks to property and disrupts social order. To this end, drone jammers play an important role. Drone jammers are mainly used to control drones engaged in “black flights”. It uses drone jammer to emit powerful radio electromagnetic signals to interfere with the communication signals between drones and their operators. This […]
- [A detailed introduction to GPS jammers](https://www.jammersignal.com/detailed-introduction-to-gps-jammers/): 1.Understanding GPS jammers GPS jammers, also known as signal blockers, are devices that effectively prevent GPS satellite tracking by interfering with GPS signals. They are used to protect privacy and maintain information confidentiality by blocking GPS signals and preventing others from tracking your whereabouts. 2.What GPS jammers do GPS signals, like cell phone signals, can be interfered with by electronic devices. GPS jammer works within a specific range and block GPS signals, causing all communication devices within that range to lose signal. GPS locators installed on vehicles allow car owners to easily track their cars using GPS monitoring platforms. However, […]
- [The anti-jamming market is expected to grow exponentially by 2027](https://www.jammersignal.com/anti-jamming-market-is-expected-to-grow-exponentially-by2027/): Anti-jam refers to measures and technologies used to protect GPS signals from interference and deliberate interference. GPS signals can propagate over long distances and are susceptible to interference and higher RF energy. In civilian applications, GPS technology plays a vital role in providing precise positioning, timing, and communications. However, low-power signal jammers can suppress GPS signals over large areas, making it impossible to obtain accurate positioning and timing information. The anti-jam market has witnessed significant progress in both organic and inorganic growth strategies. Companies are focusing on product launches, approvals, acquisitions, partnerships, and collaborations to expand their business and customer […]
- [What affects the protection distance of the cell phone signal jammer?](https://www.jammersignal.com/affects-protection-distance-of-cell-phone-jammer/): The widespread use of mobile phones and the surge in base stations around the world have made great contributions to the comprehensive development of various aspects of politics, economy, civil affairs, science and technology, and life in various countries. Mobile phones have become an indispensable tool in people’s daily life and work, and are an important part of the information society. Base stations are communication signal transfer stations in mobile communications, which enable mobile phones to communicate with each other and facilitate activities such as text messaging, ordering meals, paying, and shopping. Base stations play a vital role in improving […]
- [Drone jammers can be used to jam the GPS signal of the "Blackfly" drone](https://www.jammersignal.com/drone-jammers-can-be-used-to-jam-gps-signal/): GPS signals play a vital role in controlling unmanned aerial vehicles (UAVs). Usually, during the signal propagation process, there is a certain distance between the controller and the drone, at which time the signal strength is relatively weak. This makes it easier to use drone jammer to combat drones, which interfere with GPS signals. Many consumer drones rely on unencrypted GPS signals for flight control and are therefore vulnerable to drone jammers. By sending out strong jamming signals and suppressing control signals, drone jammers can force drones to land or return. The device operates by sending jamming signals of all […]
- [Jammers make prisons stronger](https://www.jammersignal.com/jammers-make-prisons-stronger/): Mobile GPS jammers offer a revolutionary solution to changing the way mobile phones are used. Imagine a classroom scenario where students are engrossed in their phones, but by activating a jammer, you can regain control and restore your focus. In a quiet environment, you don’t have to put up with annoying ringing sounds. During social gatherings, you can prevent everyone from being obsessed with their screens and encourage meaningful conversations. To address the issue of vulnerable prisoners smuggling mobile phones and communicating with staff, two cell phone jammers have been installed in the Central Jail of the Correctional Institution. These […]
- [How to assemble a cell phone signal jammer for best results?](https://www.jammersignal.com/how-to-assemble-cell-phone-jammer-for-best-results/): Sometimes, when we are in a certain area, our mobile phone will suddenly lose signal, making it impossible for us to surf the Internet, send messages or make calls. This is usually because a cell phone jammer is installed at that location. But do you know how to maximize the effectiveness of a cell phone signal jammer? In our work, customers often ask about the ideal environment for deploying the best cell phone signal jammer. They want to know why the jammer sometimes doesn’t work or the effect seems relatively poor. In fact, this has a lot to do with […]
- [Does the working principle of cell phone signal jammers work the same as other jammers?](https://www.jammersignal.com/working-principle-of-cell-phone-jammers-work-same-as-other-jammers/): Cell phone jammers are designed to interfere with the radio frequencies used by cell phones, effectively preventing calls from being made or received. There are two main types of cell phone jammers. The first is a compact device that blocks the signal between a cell phone tower and a single cell phone. These devices typically target frequencies between 800MHz and 1900MHz and are effective at blocking signals within a radius of about 30 feet. As a result, cell phones within this range will not show any signal. In situations where unwanted cell phone use needs to be addressed, one can […]
- [How much does a cell phone signal jammer cost?](https://www.jammersignal.com/how-much-does-cell-phone-jammer-cost/): The price range of cell phone jammers varies depending on the specific use, generally between $200 and $2000. For example, GPS jammers for civilian use are relatively cheap at around $400. Prices also vary based on power levels, with low-power jammers ranging from $200 to $800, medium-power jammers ranging from $800 to $2000, and high-power jammers costing more than $2000. The cost of a WiFi jammer is affected by the type of host chip used. Integrated module jammers tend to be more affordable on the market. However, prices can vary greatly depending on the specific signal being jammed and variations […]
- [How to judge the cost-effectiveness of cell phone signal jammers?](https://www.jammersignal.com/judge-cost-effectiveness-of-cell-phone-jammers/): There are four key aspects to consider when evaluating the cost-effectiveness of signal jammers: 1: High shielding efficiency High shielding efficiency refers to the ability of the device to shield signals without blind spots or loopholes. Some locations, such as prisons, may have communication base stations nearby and strong mobile phone signals. Achieving effective shielding in such areas requires a lot of materials and energy, resulting in high costs. It is common for prison cell phone jammer to be more expensive due to their enhanced shielding capabilities. However, even high-quality jammers may have slight loopholes or blind spots that unauthorized […]
- [What is the role of wifi jammers?](https://www.jammersignal.com/what-is-role-of-wifi-jammers/): In today’s world, Wi-Fi networks have become an integral part of our lives, both in public places and at home. Computers rely on Internet access, and many smartphone functions also rely on Wi-Fi. However, there are situations where you may not want to be interfered with by Wi-Fi signals. In this case, a WiFi jammer can solve your problem. Please visit JAMMERSIGNAL to learn more about what Wi-Fi jammers are and what they do. To understand WiFi jammers, we need to know the frequency range used by WiFi signal transmission devices, which is usually between 2400 and 2500MHz. Mobile phones […]
- [How to use 4G barriers?](https://www.jammersignal.com/how-to-use-4g-barriers/): There are wireless WIFI jammers on the market that are sold as deterrent devices. They have multiple uses and allow customers to individually select the radio waves they want to block without affecting other radio waves. These devices are designed for different types of radio waves. Given the widespread use of smartphones around the world, 3G/4G signal jammers are often used to block mobile phone communications. Each antenna in the jammer has its own power and radio wave adjustment button. In order to stay up to date with the latest technology and equipment, it is important to know about 3G/4G […]
- [The basic principles and effects of wireless signal jammers](https://www.jammersignal.com/basic-principles-and-effects-of-wireless-jammers/): The working principle of the wireless signal jammer is basically as follows: Modern mobile phones use the increased frequency to establish communication with the base station, and the base station transmits the signal to the mobile service exchange center. In standby mode, the mobile phone establishes a connection with the base station through the broadcast control channel. When a call is initiated, the mobile phone requests instructions from the service channel according to the channel conditions near the terminal, thereby switching to the service channel for calling and transmitting data. In order to achieve effective communication, 4G wireless networks require […]
- [Can WiFi jammers really protect our privacy?](https://www.jammersignal.com/can-wifi-jammers-really-protect-our-privacy/): As a regular reader of our blog, you may have noticed that we have been stressing that smartphones pose a significant threat to privacy. That is why we strive to shed light on the privacy and security issues associated with these portable devices. The main reason why smartphones pose such a danger is that users tend to share too much sensitive data and engage in activities such as mobile banking, which makes them an attractive target for hackers seeking personal information. It is important to understand that there is no such thing as a completely secure smartphone. All modern devices […]
- [The coordination of mobile phone Jamming and communication](https://www.jammersignal.com/coordination-of-mobile-phone-jamming-and-communication/): Over time, communication technology has developed rapidly and has been widely used in the civilian field. Traditional HF-VHF-UHF frequencies, once considered part of the “old communication world”, have now been overshadowed by new developments. The development of communications has also affected the field of mobile phone shielding. In recent years, the use of HF frequencies has been expanded with the introduction of modern wideband HF (WBHF) technology, achieving data rates of up to 240 kbps on a 48 kHz wide channel. HF communications, especially wideband HF, are now widely used for intercontinental connections. The deployment of HF communication encryption, including […]
- [The development of the drone market](https://www.jammersignal.com/development-of-drone-market/): The drone market has experienced tremendous growth in recent years. Manufacturers such as DJI, XAG, and Zero Control have played a major role in the development and production of commercial drones, making drones more affordable and providing a positive experience for users. As a result, drones are becoming more widely used. However, with this growth comes significant safety risks. Many countries still lack comprehensive regulation of drones, especially regarding unauthorized and potentially malicious drones. About 90% of small drones flying in the air are unregistered, posing a significant threat to aerial surveillance and security. Incidents involving unauthorized drones, commonly known […]
- [Can backpack frequency jammers block wired networks?](https://www.jammersignal.com/can-backpack-frequency-jammers-block-wired-networks/): The backpack frequency jammer is designed to be light and flexible, suitable for emergency, transition, temporary control and other situations. In large and medium-sized examinations, frequency jammers are often used as examination room security equipment to effectively prevent candidates from cheating using mobile phones, walkie-talkies and other communication equipment. Schools, examination rooms, etc. also use frequency jammers to maintain order in the examination environment and ensure fairness in the examination. During the use of mobile phones, they will communicate with the base station within a specific frequency range to be used normally. The backpack frequency jammer uses this communication principle […]
- [Can a cell phone signal jammer block 5.8GWiFi signals?](https://www.jammersignal.com/can-cell-phone-jammer-block-5-8gwifi-signals/): First, let’s understand what 5G WiFi is. 5G WiFi operates at a high frequency of 5000MHz and is faster. The higher the frequency, the stronger the ability to penetrate walls. 2.4G WiFi operates at a frequency of 2400MHz, which is also supported by older WiFi frequency devices. Although some mobile phones support dual-band operation at 2.4GHz and 5GHz, they usually use the 802.11n standard instead of the latest 802.11ac standard, which is the real 5G WiFi. In this case, it can be considered as 802.11n WiFi running on the 5GHz band, but its performance may be limited. For example, 802.11ac’s […]
- [What should I pay attention to when installing a cell phone signal jammer?](https://www.jammersignal.com/pay-attention-to-when-installing-cell-phone-jammer/): In recent years, mobile phone signal jammers have become more and more common in our daily lives, but it is important to understand how to properly install and assemble mobile phone signal jammers to ensure their effective application. A typical cell phone jammer consists of several components, including a server, a wireless antenna, and an adapter. During installation, it is critical to keep a strong electromagnetic field connection within a certain distance (usually 20-30 cm) between the server and the antenna. In addition, there is also a strong electromagnetic field near the 220V power plug (weak current) (usually 5-10 cm). […]
- [Can jammers prevent spy devices from working](https://www.jammersignal.com/can-jammers-prevent-spy-devices-from-working/): The rapid advancement of technology has undoubtedly improved our lives, but it has also brought new challenges. With the widespread use of WiFi bands for accessing the Internet, protecting private data and large amounts of information has become a critical issue. The loss or theft of such data can lead to property losses and various problems. So, how can we effectively block Internet signals? At present, information leakage often occurs in Internet applications that store sensitive data. One solution is to utilize advanced WiFi signal jammers, which cater to a variety of wireless communication types. These devices, such as GPRS […]
- [What is the Jamming range of a cell phone signal jammer?](https://www.jammersignal.com/what-is-jamming-range-of-cell-phone-jammer/): Choosing the right cell phone signal jammer is a challenge for many people. They may not be sure how to choose the right jammer for their needs. JAMMERSIGNAL recommends communicating with the jammer manufacturer and providing them with information about the intended application site and the coverage required. It is also important to consider whether there are signal towers operated by the service provider within a 500-meter radius, as this will affect the choice of jammer type. The following are key aspects to consider when choosing a cell phone jammer: 1.Interference range: The range of the jammer depends not only […]
- [How does a cell phone signal jammer work?](https://www.jammersignal.com/how-does-cell-phone-jammer-work/): The working principle of a cell phone jammer is based on the concept of scanning the frequency range of the forward channel from low to high at a specific speed. During operation, this scanning speed causes destructive interference to the message signal received by the mobile phone. As a result, the mobile phone cannot detect the normal data sent by the base station and cannot establish a connection with the base station. The mobile phone seems to be constantly searching for the network, showing no signal and no service. To use a cell phone signal jammer, follow these steps: In […]
- [What is a 5G smartphone signal jammer?](https://www.jammersignal.com/what-is-5g-smartphone-jammer/): Portable cell phone jammers have legitimate and reasonable uses, but it is important to ensure that they are used within the law and do not cause harm to others. If you believe that you have been negatively impacted by someone using a signal jammer, it is important to assess the situation before taking any action. Consider whether the interference was intentional or unintentional, and assess whether you have actually been harmed. If this happens to you, you may need to purchase a portable jammer. With the widespread use of smartphones, situations where signal jammers are the only solution are becoming […]
- [The best jammers to jam eavesdropping devices](https://www.jammersignal.com/best-jammers-to-jam-eavesdropping-devices/): A wiretap jammer is a device designed to interfere with the transmission of indoor sound picked up by a small microphone and transmitted via radio waves. These jammers are used to prevent eavesdropping, making it difficult for eavesdropping devices to capture and transmit audio. Let’s explore their uses: 1.Preventing eavesdropping: When it is necessary to ensure that the sound of a room is not intercepted by unauthorized individuals, whispering may not be enough. Eavesdropping devices have highly sensitive microphones, and depending on where they are placed, they can still pick up even quiet conversations. Increasing the volume of a TV […]
- [Disadvantages of jammers](https://www.jammersignal.com/disadvantages-of-jammers/): Jammers, specifically GPS jammers, are devices used to interfere with or block signals from Global Positioning System (GPS) receivers. While they may be used for malicious or illegal activities, it is important to note that in many countries, the use of jammers, including GPS jammers, is generally illegal. However, for informational purposes, here are some of the potential advantages attributed to jammers: 1.Privacy protection: One obvious advantage of using jammers is that privacy can be protected by blocking or interfering with GPS tracking systems. This may apply in situations where an individual wishes to prevent their location from being tracked […]
- [In which areas are 5G signal jammers used?](https://www.jammersignal.com/in-which-areas-are-5g-jammers-used/): There are various situations where 5G jammers can be used for specific purposes. Let’s explore some of the scenarios where 5G signal jammers are appropriate: 1.Educational institutions: Mobile phones are often prohibited in classrooms and during important exams to maintain a focused learning environment and prevent cheating. Many universities have implemented 5G signal jammers to prevent students from using their phones during classes and exams. 2.Places of worship: Churches are known for their serene and sacred atmosphere and are designed to create an environment free from distractions. To ensure an atmosphere of respect and prevent uncivilized behavior, some churches install […]
- [RF jammers play a very important role in our lives](https://www.jammersignal.com/rf-jammers-play-very-important-role-in-our-lives/): Mobile phones have multiple functions such as information transmission and video recording, which can easily leak sensitive information of the state and related institutions. In order to safeguard their own interests, many units have taken measures such as installing RF jammers. These measures are particularly important in places such as government, banks, and examination halls where information confidentiality is strictly required. A common application area for RF jammers is the examination hall, where almost every school will install such equipment to prevent candidates from cheating in important exams such as the college entrance examination. When a mobile phone enters a […]
- [Consider specific cutoff signal types](https://www.jammersignal.com/consider-specific-cutoff-signal-types/): With the increasing popularity of wireless signals, it is essential to use wireless signals reasonably. In environments where wireless signals cannot appear, the use of professional equipment becomes indispensable. WiFi radio jamming is one of these devices, which is often called invisible equipment. However, the effectiveness of these devices depends on accurately identifying the type of signal that needs to be shielded. In order to maximize the advantages of these devices, it is necessary to continuously improve technical development and achieve better results. Some successful cases have proven that these devices can interfere with the transmission of wireless signals. Under […]
- [I think teachers should use jammers](https://www.jammersignal.com/think-teachers-should-use-jammers/): Parents may be concerned about their children using their phones in potentially dangerous situations. However, schools also need to set guidelines regarding phone use. Recently, the principal of a school in Philadelphia tried to explain to parents that the school would only confiscate phones from students who frequently broke the rules. Unfortunately, this explanation did not satisfy parents. Some people believe that if children are taught not to use their phones in class, they will learn to respect appropriate use. However, children may see their parents using their phones while eating, walking, or even driving. This raises the question of […]
- [Can a cell phone signal jammer block 4G signals?](https://www.jammersignal.com/can-cell-phone-jammer-block-4g-signals/): Today we are going to talk about the shielding effect of mobile phone signal blockers on 4G network signals. The theme of this issue is to give you a comprehensive understanding of signal blockers. Here are a few key points to note: 1.Mobile communication network signals: In addition to the widely popular 4G network signals, there are also 3G network signals that were popular in previous years and 2G network signals used by old mobile phones. Although the discussion of 5G network signals is still ongoing, it will take some time for 5G to be popularized. Popular GPS jammers and […]
- [You can control one or more frequencies of the jammer](https://www.jammersignal.com/control-one-or-more-frequencies-of-jammer/): In today’s world, cell phone signals are ubiquitous and present in all kinds of environments around us. When a cell phone is not in use, other electronic devices have little effect on it. When there is no active cell phone, there is no data communication between the cell phone and the base station, which generates a relatively stable electromagnetic field. This static field has little effect on electronic devices. However, when the cell phone is in use, the data communication with the base station generates a sudden alternating signal, which generates a dynamic electromagnetic field. These dynamic signals can disrupt […]
- [Reasons to buy a GSM jammer](https://www.jammersignal.com/reasons-to-buy-gsm-jammer/): In today’s world, the use of electromagnetic waves, especially those in the communication frequency range, is regulated. This regulation was created to ensure responsible and safe use of these frequencies. Therefore, cell phone jammers are designed to operate within a specific frequency range specified by the operator. Complying with these specified frequencies is essential. It is important to raise awareness among Internet users about the possibility of misuse without their knowledge. Did you know that it is possible to remotely control and listen to a mobile phone even in silent mode? This discovery comes from Alain Hurst, a computer security […]
- [Why should factories install full-band signal jammers](https://www.jammersignal.com/why-should-factories-install-full-band-jammers/): With the popularity of mobile phones, the number of mobile phone users in my country has exceeded 900 million a few years ago. Today, the application scope of mobile phones has expanded from basic voice calls and text messages to digital cameras, video recorders, and Internet access. These smart phones have greatly promoted people’s communication, information sharing, and enriched people’s lives. However, they also have disadvantages in certain environments, such as production workshops or assembly lines in large factories. The following are some necessary conditions for factories to install full-band signal blockers: In short, although mobile phones have many benefits, […]
- [Precautions for assembling mobile phone signal jammers](https://www.jammersignal.com/precautions-for-assembling-mobile-phone-jammers/): The cell phone jammer is an advanced data security product that uses special electromagnetic signals to form an interception zone in the target area, preventing the mobile phone from receiving data information from the communication base station and establishing contact with the base station. When using the signal jammer, the following four aspects need to be considered: Preparation before assembling the mobile phone signal jammer: On-site survey of mobile phone signal jammer assembly: Assembly of mobile phone signal jammer: Best Selling Signal Jammers
- [What are the different types of signal jammers? What are the main uses?](https://www.jammersignal.com/what-are-different-types-of-jammers/): It is highly inappropriate to use mobile phones in specific places such as schools, examination halls, meeting rooms, and prisons. To address this problem, cell phone signal jammers have been developed to block mobile phone signals in specific locations. By blocking Wi-Fi and GPS signals, these jammers effectively prevent individuals from accessing mobile phone signals and Internet connections, thereby preventing mobile phone use and achieving the desired effect. 1.Handheld signal jammers: Handheld signal jammers are usually equipped with a car holder, a car charger, and a direct charging head. These jammers are designed with a built-in battery and can be […]
- [Signal jammers can prevent damage to smartphones](https://www.jammersignal.com/jammers-can-prevent-damage-to-smartphones/): In the modern information age, telephones have become a necessity for family communications. Communication technology plays a vital role in all aspects of life, industry and agricultural production. However, some issues cannot be ignored, especially the security risks associated with network communications. These risks may threaten the confidentiality of information and even pose a safety hazard to the production process. In addition, GPS sabotage has become a new means of criminal activity that may have an unstable impact on society. In order to prevent the potential harm caused by smartphones, cell phone jammers have been developed. There are many types […]
- [Factors affecting the jamming effect](https://www.jammersignal.com/factors-affecting-the-jamming-effect/): The effectiveness of signal jamming can be affected by a variety of factors. Let’s explore the key factors that determine the results of jamming: 1.The power of the jammer: The power output of a signal jammer plays an important role in determining its jamming radius. The larger the signal jammer, the larger the jamming radius. While some jammers may have a small jamming radius of about 5 meters, others can have a jamming radius of up to 1 kilometer. Higher power outputs generally lead to more effective jamming, but also mean a higher price. Therefore, the power of a jammer […]
- [Methods to block drones](https://www.jammersignal.com/methods-to-block-drones/): Small drones are numerous and difficult to detect, identify and track, posing a challenge to existing defense systems. Jamming through signal jamming is a viable solution. By disrupting the radio communications between the drone operator and the drone or interfering with GPS navigation, the drone may crash or deviate from its intended course. Signal jammers emphasize the use of lightweight, portable jammers that can be mounted under a gun, allowing the operator to immobilize a drone by blocking its signal before shooting it down. However, Roland Smith, a plasma physicist at Imperial College London, said that even advanced systems like […]
- [Perfectly designed directional jammers](https://www.jammersignal.com/perfectly-designed-directional-jammers/): In certain important places, such as conferences where cell phones are not allowed, jammers are used to block cell phone signals. These jammers are equipped with various antennas, including directional antennas, which can precisely target the jamming signal. If you need a signal blocking device that can effectively block multiple signals, you can find and buy cell phone jammers here, and you will find detailed information about the product here. Here you can find high-quality directional jammers. Jammers are divided into directional antennas and omnidirectional antennas, each of which can block cell phone signals from different directions. If you need […]
- [Quiet surrounding environment](https://www.jammersignal.com/quiet-surrounding-environment/): Cell phone jammers work by transmitting radio frequencies that interfere with the signals transmitted by cell phones, effectively preventing the phone from making calls. Currently, there are two main types of cell phone jammers. The first type is a small device that blocks the signal from being transmitted from a cell phone tower to a single cell phone. These devices typically operate in the frequency range of 800MHz to 1900MHz and can block signals within a radius of about 30 feet. Therefore, phones within this range will not show any signal. At this point, you can choose to handle the […]
- [Wireless signal jammers are the embodiment of high technology](https://www.jammersignal.com/wireless-jammers-are-embodiment-of-high-technology/): Many customers are concerned that GPS jammers may harm their cell phones. We would like to reiterate that these cell phone jammers do not affect the cell phones themselves. They do not block signal transmissions between the cell phone and the base station. However, it is important to ensure that the jammer is fully charged before use and not to use it while charging. Also, it should be noted that positioning the jammer antenna away from the recorder may affect jamming performance. If you are interested in radio jammers and audio jammers, we invite you to visit our website and […]
- [Construction process and bidding precautions for prison mobile phone signal blocking systems?](https://www.jammersignal.com/bidding-precautions-for-prison-mobile-phone-blocking-systems/): 1.Site survey Survey: Comprehensively check the internal structure layout of the prison, including relevant information such as building dimensions (length, width, floor height), corridor location, and the external environment around the prison, including the distribution and distance of nearby base stations. Measurement: Measure and record the location, signal strength, frequency distribution, etc. of nearby base stations of various operators. 2.Simulation, demonstration and design optimization Implement construction according to the design plan and optimize according to specific requirements to achieve the best shielding effect. Gradually partition the installation, optimize and debug each part. Verify the shielding effect, check for external interference, […]
- [Can the mobile phone signal blocking system only block mobile phone signals without blocking WiFi signals?](https://www.jammersignal.com/phone-blocking-system-only-block-mobile-phone-signals/): The mobile phone signal shielding system, also known as the mobile phone shielding system, adopts the B/S architecture and realizes remote centralized control and management through the TCP/IP protocol. Each mobile phone signal shielding device has an independent IP address, similar to ordinary network equipment, and can be connected to the network through a network cable for networking. The mobile phone shielding system can realize functions such as point-to-point switching, full on and off, and free group switching. The system supports scheduling and timing control, and can set the specific time schedule for switching operations. The mobile phone shielding system […]
- [What are the advantages of 5G signal jammers?](https://www.jammersignal.com/advantages-of-5g-jammers/): In recent years, the market has been flooded with a variety of signal jammers, but not all products are suitable for our needs. Some products are designed specifically for public use and may not work well in some cases. However, there is a special jammer that stands out – the 5G jammer. So, what are the benefits of using this special product? When using a 5G signal jammer, you will find that no matter where you are, once the jammer is activated, no one can detect your wireless signal. In other words, home-grade 5G signal jammers have better performance than […]
- [The Shengying Prison has stopped using mobile phone signal jammers](https://www.jammersignal.com/prison-has-stopped-using-mobile-phone-jammers/): According to Gladwin Samuels, Acting Warden of the prison, the use of cell phone jammers has been stopped at Camp Street Prison due to undisclosed issues, although they were installed before the July 9 fire and jailbreak. The possession of mobile phones and frequent use of social media by prisoners is a cause for concern. During the raid on the prison, a large number of mobile phones and prohibited items were found. One of the recommendations made by the Commission of Inquiry (CoI) of the Camp Street Prison fire last year was to install effective jamming systems for all mobile […]
- [Using mobile phone signal jammers in campus examination rooms, will it affect the class time of the radio clock?](https://www.jammersignal.com/using-mobile-phone-jammers-in-campus-examination-rooms/): It is quite common to use mobile phone signal blockers in examination halls, and it is not uncommon to encounter mobile phone signal blockers. Another common device in examination halls is the radio-controlled clock. As the name implies, the radio-controlled clock is not just an ordinary clock that displays the time, but a clock that ensures accurate timekeeping by receiving the wireless signal from the National Time Service Center, which is more advanced than ordinary clocks. Now let’s see whether the mobile phone signal blocker will interfere with the radio-controlled clock, because the signal being blocked is a wireless signal. […]
- [Jamming forms and precautions for use of wireless signal jammers](https://www.jammersignal.com/jamming-forms-and-precautions-for-use-of-wireless-jammers/): In the past, wireless signal jammers were commonly used in examination halls to block mobile phone use. These jammers effectively cover base station signals at close range by emitting signals similar to base stations. This prevents mobile phones from detecting actual base station signals. However, it is worth noting that even if the signal blocking function of mobile phones is not required, safer and more environmentally friendly alternative detection methods can be used. Mobile phone signal shielding can be divided into two types according to the shape of the shield: omnidirectional and directional. Omnidirectional shielding is usually olive-shaped, while directional […]
- [So we asked Jammer for help](https://www.jammersignal.com/we-asked-jammer-for-help/): In our rapidly evolving society, high-tech electronic devices have become an integral part of our lives. However, many people experience difficulties and challenges when using smartphones. To address these issues, portable jammers can help. It is frustrating to see people constantly addicted to their smartphones, even during family gatherings where quality time should be cherished. Over-reliance on smartphones hinders communication opportunities and hinders our ability to fully participate in the present moment. We must recognize that smartphones should not control our lives, and we must face this problem. In some cases, smartphones lead to time loss and unnecessary expenses. In […]
- [Introducing a mobile phone radio wave blocking device](https://www.jammersignal.com/introducing-mobile-phone-radio-wave-blocking-device/): The issue of cheating using smartphones has raised concerns about the necessity of signal jammers. I tried to address this issue to the relevant authorities via email, but it proved very challenging. Cheating incidents seem to coincide with the start of exams, and with the rapid development of electronic communications, the means used by cheaters have become more diverse. To deal with this, measures such as banning the use of mobile phones, metal detector checks, and monitoring of people entering restrooms have been taken. Among these measures, one particular product has attracted attention: mobile phone radio control devices, which block […]
- [Is it reliable to use mobile phone signal jammers in important meeting rooms?](https://www.jammersignal.com/use-mobile-phone-jammers-in-important-meeting-rooms/): Mobile phone signal jammers are common devices that interfere with data signals. They are often used in examination halls to prevent students from using mobile phones to cheat. Examination halls have also become a common place for mobile phone monitoring. Signal jammers can be installed in the examination halls of candidates, or in private places such as government agencies or important conference halls of companies to prevent unauthorized use of mobile phones and leakage of important calls. In addition to Cell Phone Jammers that affect mobile phone signals, there are also mobile phone signal shielding cabinets that can effectively suppress […]
- [The most common interference methods of drone jammers against systems](https://www.jammersignal.com/most-common-interference-methods-of-drone-jammers-against-systems/): As unauthorized drone flights become more common, the market for anti-drone solutions is booming. Despite technological advances and the growth of the drone market, the problem of unauthorized drone flights (commonly known as “black flights”) remains. In response to this problem, the anti-drone industry has developed drone jammer countermeasure systems specifically targeting this problem and has achieved remarkable results. These countermeasure systems use techniques such as signal jamming, acoustic jamming, and radio hijacking to interfere with drones. For example, GPS signal jamming involves transmitting a certain power of directional radio frequency to the drone, preventing its GPS positioning system from […]
- [How to use drone jammers?](https://www.jammersignal.com/how-to-use-drone-jammers/): With the rapid development of intelligent technology, drones have become a common sight in our daily lives, and they are widely used in various fields, even in rural areas. However, when drones intrude into no-fly zones or unauthorized locations, their activities need to be effectively controlled. This is when drone jammers come in handy, using technological means to defend against drones. At present, drones are mainly controlled through radio communication technology. Drone jammers can send high-performance jamming signals to the target drone, effectively suppressing its control signals. Thereby forcing the drone to land or return. To achieve this, the drone […]
- [Can mobile phone signal jammers block 5G signals?](https://www.jammersignal.com/can-mobile-phone-jammers-block-5g-signals/): At present, JAMMERSIGNAL Technology Co., Ltd. has launched a 5G mobile phone signal blocker that can effectively block 5G signals. The following are some key points of its 5G signal blocker: 1) The 5G mobile phone signal blocker developed by JAMMERSIGNAL Technology Co., Ltd. uses advanced technology to analyze the communication principle of 5G signals, and develops a new type of 5G mobile phone signal blocker by comprehensively comparing various methods of suppressing electromagnetic signals 2) During the operation, the 5G mobile phone signal blocker will scan the low-end to high-end frequency range of the forward channel at a certain […]
- [Smart jammers can adjust output through algorithms](https://www.jammersignal.com/smart-jammers-can-adjust-output-through-algorithms/): The use of cell phone jammers has raised public safety concerns. Low-powered GPS jammers can disrupt signals within a range of nine meters, while more advanced versions can block all transmissions within the size of a soccer ball. Clearly, these jammers pose a significant safety risk. But what if jamming technology could be implemented at a smaller scale, just a few centimeters from the steering wheel? Would that be enough to prevent driver distraction without affecting surrounding vehicles or other passengers in the car? Furthermore, could the technology be developed to avoid interfering with medical devices such as pacemakers or […]
- [Installing mobile phone signal jammers is a responsible performance of students](https://www.jammersignal.com/installing-mobile-phone-jammers-is-responsible-performance-of-students/): In order to solve the problem of students using mobile phones in class, many schools choose to install cell phone jammers in classrooms. However, this decision has sparked debates with opposing views. Some people worry that these jammers will emit radiation that may affect students’ health, while others believe that they can effectively combat the problem of mobile phone abuse in educational environments. With the continuous development of the economy and the advancement of science and technology, mobile phones have greatly promoted communication and knowledge acquisition. Mobile phones enable students to obtain information conveniently and efficiently, expanding their knowledge beyond […]
- [Jammers shine in this technological age](https://www.jammersignal.com/jammers-shine-in-technological-age/): The Global Positioning System (GPS) is a widely known global navigation positioning system that relies on a constellation of 24 satellites. It provides precise 3D position, speed, and other relevant information around the world. This all-weather, high-precision system plays a vital role in promoting modern science, technology, and economic development. It has become an integral part of various sectors such as national economic construction, national defense, and social development. GPS has become a familiar technology that we encounter in our daily lives, so much so that our smartphones are now equipped with GPS capabilities. While we may not interact with […]
- [Can indoor mobile phone signal jammers be used outdoors?](https://www.jammersignal.com/can-indoor-mobile-phone-jammers-be-used-outdoors/): When customers express their need for a cell phone jammer, they are usually looking for a solution that can be used both indoors and outdoors. They want the jammer to effectively block signals at a considerable distance even in an outdoor environment. However, it is important to understand the difference between indoor and outdoor cell phone signal jammers. Indoor cell phone signal jammers are usually low-power models designed for indoor use. Outdoor jammers, on the other hand, are high-power devices built specifically for outdoor environments. So, can indoor cell phone signal jammers be used outdoors? To determine whether an indoor […]
- [What are the categories of antenna signal jammers?](https://www.jammersignal.com/what-are-categories-of-antenna-jammers/): There are many types of wireless antenna jammers, including omnidirectional antennas, directional antennas, sector antennas, and flat panel antennas. Each type has a specific purpose depending on the wireless communication needs and environment. Omnidirectional antennas Omnidirectional antennas are ideal when the density of wireless devices and clients is high and close to each other. These antennas radiate and receive signals in all directions on the horizontal plane. They are easy to install and do not require precise alignment. However, their gain is relatively low and the signal transmission distance is short. Omnidirectional antennas are often used in point-to-multipoint communication scenarios, […]
- [The principle of phone signal jammers](https://www.jammersignal.com/principle-of-phone-jammers/): Cell phone jammers interfere with the electromagnetic signals of mobile networks, specifically targeting downlink and uplink signals. By interfering with this range, jammers block network data transmission while allowing mobile phones to send signals to other receivers. The effectiveness of a mobile signal jammer depends on the ratio of the strength of the fill signal to the strength of the mobile signal in the area. Generally, the closer the phone is to the base station, the stronger the signal, so the smaller the area that can be jammed, usually a radius of 0.5 to 9.0 meters. Jammers lose effectiveness when […]
- [Jammers protect your smart devices from viruses](https://www.jammersignal.com/jammers-protect-your-smart-devices-from-viruses/): If your phone is hacked or infected with a virus, it can have serious consequences. Cell phone jammers are an effective tool to protect against network viruses. We recommend checking Android users’ permissions regularly, as some apps require cell phone tracking permissions. By determining the coordinates of the nearest cell phone towers and analyzing the signal strength of each tower, the approximate location of the phone between the three nearest towers can be calculated. However, it is important to note that the data transmission speed on a standard GSM or CDMA network allows frequent updates, usually every 10-15 seconds, allowing […]
- [Are mobile wifi signal jammers legal?](https://www.jammersignal.com/are-mobile-wifi-jammers-legal/): But signal jammers are actually sold in 80 countries, and JAMMERSIGNAL Co., Ltd. has stable and long-term cooperative customers in 80 countries in the past 10 years. In addition, if the application of the jammer does not damage or deceive the public’s telecommunications, the signal jammer can be purchased and legally owned by individual customers to cause interference again. If the application of the jammer is legal and moderate, the signal jammer can be completely free for individuals or other agents to use. Mobile wifi signal jammers have moderate applications in many places, as follows: 1) Avoid illegal calls in […]
- [Why choose high-power jammers?](https://www.jammersignal.com/why-choose-high-power-jammers/): The effective range of a cell phone jammer depends on the specific output power. A high-power jammer used in an open space can have a shielding range of several hundred meters, which is suitable for use in indoor environments with low power requirements such as classrooms and conference rooms, while the typical range of a WiFi jammer is about 10 meters. However, the overall working range of the jammer is not only determined by its power, but also depends on the signal strength of the communication base station in the surrounding environment. As the name suggests, high-power jammers are known […]
- [Ship tracking micro satellites can detect GPS jammers from space](https://www.jammersignal.com/ship-tracking-micro-satellites-can-detect-gps-jammer/): HawkEye 360​​, a Virginia-based satellite company, is currently exploring the possibility of using its formation-flying satellites to detect and locate GPS jammers and potential interference. HawkEye 360​​ has been operating three microsatellites in a sun-synchronous polar orbit since early 2019. These satellites are able to detect radio frequency transmissions from the Earth’s surface. Working together as a coordinated cluster, they can independently determine the source location of these transmissions. Currently, these satellites are primarily used to detect transmissions from Automatic Identification System (AIS) devices carried by ships. They can geolocate the source of these transmissions, allowing comparison between reported ship […]
- [What you don’t know about full-band jammers](https://www.jammersignal.com/what-you-donot-know-about-full-band-jammers/): With the popularity of mobile phones, the demand for full-band jammers in confidential meetings, standardized tests, prisons, detention centers and other occasions is also increasing, and the market size of full-band jammers has also expanded significantly. However, many users lack sufficient understanding of full-band jammers. In order to achieve better results, they often choose jammers with higher power, but this also has certain risks. The principle of full-band jammers is to transmit interference signals over a large range, so that the downlink signal of the mobile phone is interfered, causing the mobile phone to fail to work properly. As a […]
- [Portable frequency jammers pass a comprehensive inspection](https://www.jammersignal.com/portable-frequency-jammers-pass-acomprehensive-inspection/): On July 29, 2021, the portable frequency signal jammer produced by JAMMERSIGNAL Technology Co., Ltd. successfully passed the comprehensive inspection of the Ministry of Public Security’s Security and Police Electronic Products Quality Inspection Center and obtained an official inspection report, verifying its performance and compliance. Portable frequency jammers, also known as tow-box signal jammers or tow-box jammers, consist of two main boxes (trailer boxes) that can cover commonly used wireless communication signals in the range of 20MHz to 6000MHz, and can simultaneously shield mobile phone signals, intercom signals, remote control signals and other wireless signals, and can effectively suppress GPS, […]
- [Mobile phone abuse has always been a major concern for us](https://www.jammersignal.com/mobile-phone-abuse-has-always-been-major-concern-for-us/): Passive shielding refers to measures such as using wallpaper or building materials with embedded metal pieces to prevent cell phone signals from entering or leaving a room. Some buildings inadvertently block radio signals due to their thick concrete walls and steel frames. Indoor location tracking applications have a variety of uses, including improving grocery sales, optimizing logistics, enhancing mobile gaming experiences, and facilitating navigation within large shopping malls or international airport terminals. While it is possible to track the indoor location of a device, it is challenging to obtain accurate results. The experiments were conducted in a tunnel less than […]
- [Is it safe to buy GPS signal jammers online?](https://www.jammersignal.com/is-it-safe-to-buy-gps-jammers-online/): In modern society, the popularity of smart devices has undoubtedly brought us convenience, but it also brings certain risks. Many of us have heard stories about hackers breaking into computers to steal valuable information. In addition, some people may be under surveillance or investigation. While it is common for law enforcement agencies and official agencies to conduct investigations, there are also criminals who may use GPS signals to track people. Given these concerns, many people wonder if buying a GPS jammer online is a reliable solution. Protection against hackers It is well known that no matter how advanced the technology […]
- [The operating range of jammers is limited](https://www.jammersignal.com/operating-range-of-jammers-is-limited/): With the widespread use of mobile phones, constant ringing and interference has become a nuisance for many people. In search of a solution, people have begun to use cell phone jammers. These devices are designed to temporarily block cell phone signals within a specific range, blocking signal transmission between the phone and the base station. This is achieved by running the cell phone jammer on the same frequency as the phone. However, to avoid interfering with legitimate cell phone signals, jammers should only be used when necessary. Once out of the interference range, the phone will return to normal function. […]
- [How to properly equip standardized examination rooms with test room signal jammers?](https://www.jammersignal.com/properly-equip-standardized-examination-rooms-with-test-room-jammers/): The issue of students using mobile phones to cheat during the college entrance examination has sparked widespread discussion, with people questioning whether there are handheld metal detectors and signal jammers in the examination room, and why mobile phones can still be brought into the examination room to send text messages. The problem lies not only in the security measures of the examination room, but also in the potential loopholes of the technical defense equipment. Standard examination rooms are equipped with necessary tools such as examination room WiFi jammers, metal detectors, and wireless signal detectors. However, if the jammer is installed, […]
- [Can full-band jammers penetrate walls?](https://www.jammersignal.com/can-full-band-jammers-penetrate-walls/): A full-band jammer is a device that transmits a wireless signal of a specific frequency to interfere with or block the signal transmission of other devices. The ability of a full-band jammer to penetrate walls depends on several factors, including signal frequency, transmit power, and the material used for the wall. When customers ask whether full-band WiFi jammers can be installed in the corridors of examination rooms and how effective they are at penetrating walls, we can provide the following analysis and answers: The wall penetration performance of a full-band jammer is affected by the following factors: 1.Signal frequency: Generally […]
- [Is the Jamming range of mobile phone signal jammers fixed?](https://www.jammersignal.com/jamming-range-of-mobile-phone-jammers-fixed/): When considering buying a cell phone jammer, many customers want to know the shielding range of the mobile phone signal jammer. However, it must be understood that the shielding range of the signal jammer is not fixed. The mobile phone signal jammer interferes and confuses the information signal received by the mobile phone by quickly scanning the mobile phone signal. This interference prevents the mobile phone from detecting the normal microwave signal data sent by the base station. According to the design, the mobile phone cannot establish a connection with the base station, thereby effectively shielding the mobile phone signal. […]
- [Which jammer do you choose?](https://www.jammersignal.com/which-jammer-do-you-choose/): With the rapid development of technology, electronic devices such as mobile phones have become an indispensable part of our daily lives, bringing us convenience and practicality. However, these advances have also brought some drawbacks. A common problem is the misuse of mobile phones, such as cheating in exams, which undermines the fairness of assessments. In addition, more and more students are distracted by smartphones during classes, which is a challenge for teachers who strive to prevent such tampering. To address these problems, signal jammers are used. Another nuisance caused by mobile phones is the interference they cause in public places […]
- [Do customers need to debug after receiving full-band signal jammers?](https://www.jammersignal.com/do-customers-need-to-debug-after-receiving-full-band-jammers/): Each frequency band of the full-band signal jammer is debugged and aged before leaving the factory to ensure optimal performance. After receiving the full-band signal jammer, customers do not need to perform any additional debugging. Just connect the jammer to a 220V AC power supply and use a mobile phone to test the shielding distance. The actual shielding distance of the full-band cell phone jammer is related to the on-site environment and signal strength. The shielding distance for mobile phones of different operators may be different in different locations. This is because the output power of each frequency band of […]
- [Why can wireless signal jammers block mobile phone signals?](https://www.jammersignal.com/why-can-wireless-jammers-block-mobile-phone-signals/): Many users of wireless signal jammers often lack understanding of their working principles, resulting in improper use and unsatisfactory results. The working principle of wifi jammers is that wireless devices (such as mobile phones) and base stations communicate through radio waves within a specific frequency range. This communication allows data and sound to be transmitted at a specific baud rate and modulation method. During mobile phone communication, the device uses the uplink frequency to interact with the base station, which then transmits the signal to the mobile service switching center to complete the call. In standby mode, the mobile phone […]
- [Why your car needs to use a high-quality micro-car GPS jammer](https://www.jammersignal.com/why-your-car-needs-to-use-micro-car-gps-jammer/): Economic and technological progress has greatly improved people’s living standards, and cars have become the main means of transportation. While cars provide convenience and mobility, they also bring some challenges, such as vehicle tracking that compromises location security and exposes individuals to potential risks. Given the practicality of cars, GPS technology has become a means of tracking, so it is necessary to use a mini GPS Jammer for your vehicle. Technological progress has not only improved living standards, but also made cars more affordable, enabling more people to own a car. Cars are no longer an unattainable luxury, and everyone […]
- [Mobile phone jammers protect your healthy lifestyle](https://www.jammersignal.com/mobile-phone-jammers-protect-your-healthy-lifestyle/): In the digital age, electronic devices such as mobile phones have become an integral part of people’s daily lives, and their wide range of uses has brought both convenience and challenges. However, in the dependence on mobile phones, many people feel inconvenienced and often turn a blind eye to the disruptive noise generated by mobile phones. In the pursuit of a tranquil environment, we recognize the importance of quiet, especially in environments with limited Internet access, to promote focused engagement. To address this problem, we have launched high-performance drone jammers that can block mobile phone radio waves and GPS signals. […]
- [Use serious communication jammers](https://www.jammersignal.com/use-serious-communication-jammers/): Various venues can benefit from using cell phone jammers to solve specific problems and maintain a suitable environment: By deploying mobile jammers in these different environments, each venue can address specific issues, enhance security, and maintain the desired atmosphere for the benefit and comfort of all participants. Best Selling Signal Jammers
- [GPS signal jammers protect privacy](https://www.jammersignal.com/gps-signal-jammers-protect-privacy/): In today’s rapidly evolving technological environment, privacy breaches are a growing concern. Many people take protecting their personal privacy very seriously. The development of GPS technology has been remarkable, and GPS functionality is now integrated into our smartphones. However, this convenience also brings the risk of being tracked, causing great inconvenience to countless users. Fortunately, the GPS jammers we offer can effectively block all GPS positioning signals, providing strong protection against GPS tracking. By using our GPS jammers, you can protect your private life, block hidden surveillance, ensure that conversations remain private, and prevent sensitive information from being stolen. These […]
- [Overview of the principle of RF interference in drone countermeasure systems](https://www.jammersignal.com/principle-of-rf-interference-in-drone-countermeasure-systems/): At present, countries around the world are studying the combination of GPS and inertial navigation technology. For example, drones require precise positioning information during flight, which requires the installation of GPS receivers on drones. However, the use of drone countermeasure systems will destroy the GPS receivers on drones through electromagnetic interference, forcing drones to rely entirely on inertial guidance provided by gyroscopes and unable to obtain precise positioning information. Without accurate mapping data, the information captured by drone cameras will be meaningless. In essence, today’s aircraft is nothing more than a flying camera, which is a waste of resources both […]
- [You don’t have to worry about jammers being difficult to use](https://www.jammersignal.com/you-donot-have-to-worry-about-jammers-being-difficult-to-use/): Everyone desires success and happiness. If you are tired of interference and unnecessary GPS tracking, GPS jammers can bring you happiness and pave the way to success. GPS tracking is already common in vehicles and smartphones, and we often encounter it in schools, shopping malls, supermarkets, and government agencies. While GPS technology has its benefits, it also has potential risks as some people use it to invade privacy or conduct malicious activities. To protect your privacy and career, investing in a mobile GPS jammer is a wise choice. cell phone jammers specifically target communication devices such as mobile phones and […]
- [Jammers prevent mobile phones from controlling life](https://www.jammersignal.com/jammers-prevent-mobile-phones-from-controlling-life/): It is undeniable that mobile phones have become an integral part of our lives, bringing us convenience and changing the way we communicate. However, excessive mobile phone use can also have negative effects, such as developing bad habits and social disconnection. People often become addicted to social media and online activities, distracting from face-to-face communication. In various environments such as classrooms, restaurants, theaters, and even workplaces, improper use of mobile phones can cause disruptions and affect productivity. Many managers recognize the distractions that mobile phones can cause and believe that using mobile phones at work is harmful. As a solution, […]
- [How Jammers work](https://www.jammersignal.com/how-jammers-work/): Basic working principle of jammers: A cell phone jammer is a device that transmits signals at the same frequency that can cause interference in the cell phone signal area. With the increase in the number of cell phone users, cell phone jammers are being used to disable cell phone signals in specific locations. When a cell phone jammer is activated, it broadcasts a signal on the same frequency as the GSM modem used by the cell phone. Cell phones operate on two frequencies at the same time, and some jammers can only block one of the frequencies. However, since cell […]
- [What are the requirements for using cellular smartphone jammers?](https://www.jammersignal.com/requirements-for-using-cellular-smartphone-jammers/): What are the basic requirements for using a cell phone jammer? To find out about this, you can visit JAMMERSIGNAL. Cell phone signals have become a vital part of our lives, and many people appreciate the benefits they bring. However, in some cases, the use of a cell phone signal jammer is necessary. To ensure the effective operation of these jammers, the following requirements should be considered: 1.Compatibility: The cell phone signal jammer should work with all modern public communication standard mobile phones. It must not interfere with the normal operation of other electronic devices such as televisions, surveillance systems, […]
- [How to record with a mobile phone-using a mobile phone signal jammer](https://www.jammersignal.com/how-to-record-with-mobile-phone-using-mobile-phone-jammer/): In daily life, individuals and companies may be monitored or recorded by mobile phones. Some people may have encountered this situation. So, how can we prevent it? Here are some methods for you. There are two main ways to monitor mobile phones: 1. WeChat call recording; 2. The recording function that comes with the mobile phone. The advantage of mobile phone recording is that it is convenient and fast. If someone uses a mobile phone to record you, you can take the following methods to avoid being eavesdropped: 1.Blocking method: When you find that the other party is recording with […]
- [Wi-Fi jammers can prevent malicious theft of Wi-Fi traffic](https://www.jammersignal.com/wifi-jammers-can-prevent-malicious-theft-of-wifi-traffic/): If you are a regular reader, you may have heard about the topic of signal jammers, which we discuss to address pressing issues related to personal security and privacy. In this article, I want to shed light on the fragility of our privacy and how it can be compromised. These concerns are exactly why we emphasize that wireless data transmission standards are not suitable for protecting personal information. At the 2013 Black Hat USA conference in Las Vegas, American IT security expert Brendan O’Connor presented his work on CreepyDOL (Creepy Distributed Object Locator). This specialized application and firmware work in […]
- [What are the application areas of drone jammers?](https://www.jammersignal.com/what-are-application-areas-of-drone-jammers/): In recent years, drone technology has made great progress and has applications in the civilian field. However, while drones bring benefits, they also bring some challenges. To meet these challenges, drone countermeasure systems (including drone jammers) have been developed. Let’s explore the various application areas of drone jammers: Drone jammers are an important tool for combating drones. They are particularly effective in large areas or open environments, such as confidential units, prisons, schools, and large factories or mines. By jamming drone signals, these jammers force drones to land or return, thereby ensuring the safety of the protected space. It is […]
- [Do gas stations, oil depots and other places need to use mobile phone signal jammers?](https://www.jammersignal.com/gas-stations-oil-depots-and-other-places-need-to-use-mobile-phone-jammers/): Have you ever wondered why places like gas stations and oil depots use cell phone jammers? In this informative article, we will explore the reasons for using cell phone signal jammers. In today’s world, cell phone signals are everywhere and all electronic devices are surrounded by signals. When a cell phone is not in use, the surrounding signals interfere with other electronic devices very little. This is because when a cell phone is idle, there is no data exchange between the cell phone and the base station, and no interference signals are generated. The surrounding electromagnetic field remains relatively stable, […]
- [Verizon said it has not slowed down its 3G withdrawal plan](https://www.jammersignal.com/said-it-has-not-slowed-down-its-3g-withdrawal-plan/): Verizon has clarified its position on the suspension and shutdown of its 3G network in response to recent media reports. According to Heidi Hemmer, Verizon’s senior vice president of network engineering, the operator is actively managing the network to remove use from 3G infrastructure and reallocate spectrum. Hemmer stressed that the withdrawal plan is still on schedule and will be completed by January 1, 2023. Verizon’s vice president of network engineering, Cynthia Grupe, stressed that part of the 3G spectrum has been repurposed. Specifically, the 850MHz spectrum previously used for CDMA has been allocated to Verizon’s low-frequency 5G network, which […]
- [The Jamming effect of full-band signal jammers is not ideal, how to improve the Jamming effect?](https://www.jammersignal.com/how-to-improve-full-band-jammers-shielding-effect/): We often receive inquiries from customers. The on-site signal is strong, but the jamming distance of the full-band signal jammer is relatively short. In this case, how to improve the jamming effect? ​​This situation is more common for signal jammer manufacturers, especially when the site is close to the base station of the mobile operator, or there is an indoor signal distribution system nearby. The strong mobile phone signal will have a great impact on the effect of the full-band signal jammer. However, there is no need to panic, and there is no need to think that there is a […]
- [Application of mobile phone signal jammers in examination rooms](https://www.jammersignal.com/application-of-mobile-phone-jammers-in-examination-rooms/): With the rapid advancement of science and technology, communication equipment has also evolved. Mobile phones are becoming more and more popular. Almost everyone has one. Communication methods have also evolved from fixed and limited communication methods such as landlines and telephone booths to communication anytime, anywhere and through various methods. However, these developments have also brought new challenges to social information security. It is common to use mobile phones to cheat in exams, disrupt social order, and plagiarize important information. Examinations should be fair and just, but there are always people who take the opportunity to break in and use […]
- [What is a 5G mobile phone signal jammer?](https://www.jammersignal.com/what-is-5g-mobile-phone-signal-jammer/): This jammer device effectively shields all mobile phone signals (2G/3G/4G/5G), 2.4G signals (WIFI/WLAN Bluetooth) and other communication signals, and uses the built-in omnidirectional antenna to transmit specific electromagnetic signals to form an electromagnetic protection field in areas where wireless communication devices are prohibited, so that wireless devices in the area cannot identify and connect to external communication signals, effectively cut off wireless communication tools, and eliminate information security risks. It is especially suitable for places such as examination rooms, conference rooms, prisons, detention centers, courts, interrogation rooms, and confidential areas that require information security and confidentiality. Main features: Best Selling […]

## Pages

- [Jammer Tags](https://www.jammersignal.com/jammer-tags/): A jammer is a device designed to interfere with or block wireless communication signals. It works by emitting radio frequency signals in the same frequency band as the target device, causing interference and preventing them from receiving or transmitting signals effectively. Jammers are often used for civil privacy protection, law enforcement activities, and in some cases, by individuals to block or block signals from mobile phones, GPS systems, Wi-Fi networks, and other wireless devices. There are various types of jammers designed to interfere with different types of wireless signals. Here are some common types: Popular Jammer Tags cell phone jammer […]
- [Factory Diagram JAMMERSIGNAL](https://www.jammersignal.com/factory-diagram-jammersignal/): JAMMERSIGNAL is a factory headquartered in Shenzhen, China. We have our own production workshop and production lines and can independently produce all kinds of jammers. We specialize in manufacturing signal jammers for mobile phones, WiFi, GPS and drones! Our email is info@jammersignal.com or jammersignal@outlook.com. Contact us: Finished jammer (before unpacking) Drone jammer (before unpacking) Semi-finished signal jammer (unfinished) Complete photo of the signal jammer (assembled)
- [Reasons to choose us](https://www.jammersignal.com/reasons-to-choose-us/): *High quality signal jammer. JAMMERSIGNAL always provides you with excellent service and price (compared with other websites). Of course, the quality of our products is impeccable. *Quick response. We will reply every email within 24 hours and solve your problems in real time. *Fast delivery, you will receive our products within 7-10 days after shipment, and we ship for free. *Good customer service. We provide one-year warranty for your purchased products (shipping and accessories costs are borne by customers) and provide after-sales service.
- [Shipping Guide](https://www.jammersignal.com/shipping-guide/): Shipping Guide When you place an order, you can choose a shipping method according to your needs. Precautions: Transportation safety You can track your order online and insure it with the standard insurance of the carrier you choose. After the order is delivered, we will send you a tracking number. If the goods are lost, damaged or delivered incorrectly, you must notify the carrier immediately. You can also contact us. We will investigate the matter and help you file a possible insurance claim. Therefore, you may need to provide us with relevant photos or documents as proof. We will also […]
- [Refund and Returns Policy](https://www.jammersignal.com/refund-returns/): *JAMMERSIGNAL: After the customer places an order, the quality control staff will inspect the product and then ship it to the customer. After the goods arrive, please check the quality of the goods. *About returns and exchanges: If the product is damaged due to collision during transportation. We will refund you within 7 days. *If there is a product quality problemConfirm the product quality problem, JAMMERSIGNAL will bear the round-trip logistics costs *We will sign for the overdue returned products and guarantee that they will arrive within two weeks *If the returned goods do not match the ordered products, JAMMERSIGNAL […]
- [Contact](https://www.jammersignal.com/contact/): Get in touch Contact us Contact Us If you have any questions? You can contact us using the online chat tool in the lower right corner or send us an email! We will contact you within 24 hours. But be careful, we are closed on Sundays! We will contact you on Monday next week, understand! You are welcome to contact us! 2222 Washburn Street, FRESNO, California, 93650, US info@jammersignal.com jammersignal@outlook.com Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form. Name * FirstLast Email *Message * Send
- [About](https://www.jammersignal.com/about/): About JAMMERSIGNAL Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form. Name * FirstLast Email *Message * Send About Industry-Leading Jammer Factory and Supplier Our online store is a global retailer and wholesaler of signal jammers. We specialize in manufacturing all types of signal jammers, including cell phone jammers, GPS jammers, WiFi jammers, wireless signal jammers, drone jammers, and more. Our goal is to be a leader in the jammer industry, providing our services to people and places that need jammers. We strive to provide our customers with the highest […]
- [Home](https://www.jammersignal.com/): Signal Jammer that Blocks Various Signals Shop now Shop Best Selling Sale! 4G Jammer Hot Sale 8 Antenna Portable Handheld Cell Phone Signal Blocker $599.00 Original price was: $599.00.$219.99Current price is: $219.99. Sale! World First Portable 24 Antenna Full Frequency Jammer Blocks All Signals $1,599.00 Original price was: $1,599.00.$829.88Current price is: $829.88. Sale! Handheld 4G 5G Jammer VHF LOJACK WiFi GPS 16 Antenna Interceptor High Performance $1,539.00 Original price was: $1,539.00.$839.99Current price is: $839.99. Sale! Multifunctional WIFI 2G 3G 4G 5G Cell Phone Signal Jammer $599.00 Original price was: $599.00.$369.69Current price is: $369.69. Sale! Camouflage Cell Phone Jammer LCD Screen […]
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## Products

- [World First 26 Antennas Wireless Signal Jammer For Full Bands 5GLTE 2G 3G 4G WiFi2.4G WiFi5G WiFi6G GPS LOJACK FM Radio, Output Power 66 Watt](https://www.jammersignal.com/product/26antennas-jammer-for-full-bands-5glte/): The 26 Antennas Full Bands Signal Jammer A26 employs 26 external omnidirectional high-gain antennas, corresponding to 26 independent operating channels. It interferes with mobile communication signals across the entire frequency band, from traditional 2G/3G/4G to 5G LTE, while also interfering with WiFi 2.4G, WiFi 5G, WiFi 6G (Wi-Fi 6E), GPS L1–L5, LOJACK, FM radio, VHF/UHF walkie-talkies, and 315/433/868/915MHz wireless remote control signals.    This full-band design allows for unified management of multiple signal sources on a single jammer, avoiding the interference and power consumption issues caused by multiple jammers being superimposed.    66W High-Power Output for More Stable Jamming    The entire 26-antenna jammer boasts a total output power of 66W, with each frequency band independently outputting 1–4W. The signal jamming radius can reach 2–40 meters (the specific effect depends on the on-site signal strength). Even in complex wireless environments, it maintains a stable and continuous signal jamming effect.    Modular Channel Control for Greater Flexibility    Each frequency band can be independently turned on or off. Users can freely combine jamming frequency bands according to actual needs without affecting the normal operation of other channels. This highly controllable design makes this jammer suitable for both strict full-band signal management scenarios and applications requiring directional control of specific frequency bands.
- [Portable WiFi Jammer 6W WIFI 2.4G WIFI 5.2G WIFI 5.8G CM3](https://www.jammersignal.com/product/portable-wifi-jammer-wifi-2-4g-wifi-5-2g-wifi-5-8g/): Features of the CM3 Portable WiFi Jammer 6W:  Large-area interference (100-150 square meters), WiFi jammer    High-power design, 2W per channel, maximum total power up to 6W    Built-in omnidirectional antenna; interference range refers to a circular area centered on the unit. The interference signal is emitted by the main unit and propagates outwards from strongest to weakest.    Convection ventilation holes and built-in high-efficiency heat sink and fan prevent localized heat buildup and ensure efficient heat dissipation.    Built-in 12V 4Ah lithium battery, usable anytime, anywhere, and convenient to carry.
- [315 433 868MHz Handheld Remote Control Signal Jammer, 10W Output Power, Equipped with a Larger Capacity Battery](https://www.jammersignal.com/product/handheld-jammer-larger-capacity-battery/): Name: Plus Handheld Remote Control signal jammer, output power 10W , Bigger Battery  Model: N3-RC  Color: Black    Basic Specifications  Jam Signal Type：N3-RC:  Remote Control signal:315+433+868MHz  Output Power：Total 10W，2-4W each band  Jam Radius：10-100meters  Power Supply：AC110-240V to DC12V  Cooling System：High efficiency aluminum alloy radiator, Build-in 1 cooling fan  Working Time：Continue working 2.5 Hours  Product Size：177.5 x76.5x36.5mm (not include antenna), Antenna Length:165mm Gain:2.0dbi  Product Weight: 1kg
- [High Power Handheld Drone UAV Signal Jammer, Build In Directional Antennas Block Up To 1500m, With Sight Rail and 1/4 inch Tripod Mounting Hole](https://www.jammersignal.com/product/high-power-handheld-drone-signal-jammer/): Portable directional handheld drone (UAV) jammer that is designed to be compact for easy carrying use. with built in directional antenna and battery for 60 minutes operation time. Specialized to block drone Wi-Fi FPV RC 2.4Ghz,5.8G,5.2G 868/915MHz and GPS,Glonass, Beidou satellite signals that use most of commercial UAV Drones for their remote controls. The effective blocking range is up to 1500 meters. The jamming distance always depending on the distance of drone and remote control, there is the different defense range for different drone model.  Each band separate and with LED indicator lights display on drone Jammer is implementation that greatly improves functionality and safety of operators as well as potential targets. When drone is spotted and jammed, it will hover for some time, and proceed to slow landing. By turn off the GPSL1 L2L5 band, drone will get immediate internal command to go back to take-off site and land there.
- [2G 3G 4G 5G WIFI 6E 2.4G 5.8G Bluetooth GPS FM Radio RC UHF VHF/LOJACK LORA/RC915 868 315 Cell Phone Jammer](https://www.jammersignal.com/product/2g-3g-4g-5g-wifi-6e-2-4g-5-8g-bluetooth-gps-cell-phone-jammer/): Brand new and unique one-piece design wireless signal jammer with 28 frequency bands, 27 antennas, nylon shell, easy to carry, can interfere with all kinds of Android phones, tablets, smart phones, iPhones, Win phones, etc., can block GSM, 3G, 4G 5G and CDMA 450Mhz, blocks GPS, Glonass, Beidou, Wi-Fi 2.4G, Wi-Fi 5G, Wi-Fi 6E, UHF/VHF and RF walkie talkie signals such as 315, 433, 868, 915, LORA, LOJACK, 88-108 MHz FM, etc.    advantage:     	World's First 28 Band Portable Jammer with 27 Antennas Designed to Block FM Radio & Wi-Fi 6E & All RF GPS Wi-Fi 5G 4G 3G 2G LORA LOJACK Cell Phone Signals   	28W high output power, 2-25 meters interference range (-75dBm, depending on signal strength in a given area)   	Good cooling system with 3 cooling fans inside and bigger heat sink, portable nylon case   	With the DIP switch, you can enable/disable any signal band without affecting other bands   	Equipped with a car charger, can also be charged via a 12V DC/AC power supply   	Built-in battery, can work for 90 minutes, rechargeable   	LCD display of battery capacity (capacity percentage, operating voltage/current)  
- [1-Band Vehicle-Mounted GPS Positioning Jammer](https://www.jammersignal.com/product/1band-vehicle-mounted-gps-jammer/): With the continuous advancement and widespread use of GPS satellite navigation systems, many users have encountered the problem of being constantly tracked. In order to solve this information security problem, GPS jammers came into being. These jammer devices are designed to ensure your privacy, allowing you to move around without being discovered by others.    Product Features:     	This GPS jammer device specifically targets GPS satellite signals and will not interfere with regular phone communications.   	It effectively prevents cars and individuals from being tracked by mobile GPS satellite positioning systems, giving you peace of mind during your journey.  
- [GSM 3G (UMTS) WIFI GPS Mini Cell Phone Jammer](https://www.jammersignal.com/product/gsm-3g-wifi-gps-mini-cell-phone-jammer/): This GSM 3G (UMTS) WIFI GPS Mini Cell Phone Signal Jammer, equipped with a built-in rechargeable battery, can block signals for hours. The car adapter that comes with this jammer allows for convenient charging and use in the vehicle.    Product Features:    1. Small size, easy to carry and user-friendly operation.    2. The entire production process follows the ISO900 quality system and is CE certified to ensure stability and reliability.
- [Power 8 Bands Drone Signal Jammer 3G 4G WIFI Blocker](https://www.jammersignal.com/product/8bands-drone-jammer-3g-4g-wifi-blocker/): There is a professional-grade powerful 8-band cell phone jammer. It is also suitable for blocking 3G, 4G, 4GLTE/WIMAX, Wi-Fi, UHF and VHF signals. This jammer is equipped with 8 antennas, 7 cooling fans, and has powerful jamming capabilities. It can operate continuously around the clock and can defend against various drones, including Phantom 4, Phantom 3 Professional, Advanced, Standard series and Inspire series.    Main Features:    - Output power 130W  - Optional high gain 5-7 dBi omnidirectional or planar directional antenna  - Effective shielding range 30-300 meters, depending on the regional signal strength  - Up to 6 bands can be shielded simultaneously, and the power of each band is adjustable  - LED indicator shows the power status  - Provide 100% safe VSWR (voltage standing wave ratio) protection for each module  - Equipped with a good cooling system, including a heat sink, 3 large fans on the top and 4 small fans inside, ensuring low noise and continuous operation
- [High-Power Drone Jammer Interception Equipment Box-Type UAV Drive Away Equipment](https://www.jammersignal.com/product/drone-jammer-interception-equipment-box-type/): This box-type drone jammer can not only block GPS satellite positioning signals, but also block the 2.4G and 5.8G frequency bands commonly used by drones. The UAV jammer can make the drone remote control, image transmission, and signal reception invalid, causing the drone to land out of control, return or hover.    This effective, quiet and fast drone jammer system has the following characteristics:    Product Features:     	Interfere with the communication between the drone and the operator, making the drone remote control invalid.   	Prevent ground operators from receiving aerial photos and videos sent by drones.   	Make the drone unable to locate, forcing it to land or return.  
- [Desktop WiFi Cellular Phone Blocker Anti GPS Tracking Jammer](https://www.jammersignal.com/product/desktop-wifi-cellular-phone-anti-gps-tracking-jammer/): This high-power desktop jammer can block six different frequencies, including basic GSM and 3G signals, as well as other signals such as 4G, GPS, WiFi, UHF and VHF, depending on your desired configuration.    Product Features:     	Comprehensive interference with all mobile phone signals, ideal for schools, exam rooms, prisons, offices and other places.   	Equipped with efficient cooling technology, including six built-in cooling fans, to ensure long-term operation without overheating.    Application:    This jammer is suitable for a variety of places, such as exam rooms, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, military facilities and other places where mobile phones are prohibited.
- [Desktop 12-Band Mobile Phone Signal Blocker Multi-Frequency Drone Jammer](https://www.jammersignal.com/product/desktop-12band-mobile-phone-multi-frequency-drone-jammer/): Main Features:     	Equipped with a highly efficient cooling system, including a heat sink and two large top fans, and four internal small fans, with low noise.   	Each frequency band is independent and adjustable, allowing power adjustment from maximum to completely off (0).   	Provides 100% safe VSWR (voltage standing wave ratio) overvoltage protection for each modular component.   	Provides ultra-wide interference band, capable of blocking most commonly used frequency bands.  
- [Military Tactical Shield Type Drone Jammer 2.4G 5.8G](https://www.jammersignal.com/product/shield-type-drone-jammer-2-4g-5-8g/): This latest shield-type drone jammer adopts a professional-grade military design. This lightweight and portable jammer device is specially designed to counter low-flying drones by interfering with their remote control signals without affecting other signals.    With an effective interference distance of up to 2000 meters, this UAV signal jammer can effectively shield drone signals and prevent unauthorized drone access. It is designed for drone-related scenarios and is a must-have for those interested in drone control.    Product Features:    1. Easy to carry and operate, ensuring convenient use in various situations.  2. Adopting aluminum casing, enhanced heat dissipation performance, ensuring optimal function.  3. The effective interference distance is 300 to 2000 meters, covering a wide range.  4. Adopting independent control switch design, the control is easy and precise.
- [4G Jammer Hot Sale 8 Antenna Portable Handheld Cell Phone Signal Blocker](https://www.jammersignal.com/product/4g-hot-sale-8antenna-handheld-cell-phone-blocker/): This portable 8 antenna jammer is suitable for home, office and school use, with a coverage range of up to 40 meters. This portable jammer can effectively block multiple frequencies, including CDMA/GSM/WIFI-2.4G/3G(UMTS)/4G/4G(LTE)/GPS/LoJack/DCS/PCS.    Product Features:    1. Can be used while driving and comes with a car charger.  2. Excellent heat dissipation performance for long-term stable operation.  3. Separate band switch for selective blocking.  4. Wide interference range and reliable performance.  5. Stylish and portable design, easy to carry.
- [Cheap 3 Bands Portable UMTS GPS GSM 3G Cell Phone Blocker](https://www.jammersignal.com/product/cheap-3bands-portable-gps-gsm-cell-phone-blocker/): Introducing a small portable multi-function jammer device that can be used as a multi-function mobile phone jammer with GPS, GSM and 3G signal blocking functions. Its compact size enhances portability, you can carry it anywhere to block GPS signals, and it can be conveniently powered by batteries or AC adapter.    This 3-band jammer product has a highly convenient and portable design, with a beautiful appearance, and can be easily put into a coat pocket or a small backpack. Despite its small size, it can effectively block GPS satellite signals within a radius of 2-15 meters, ensuring the protection of your privacy and location information.    Main product features:    1. Effectively block GPS satellite signals to protect your location privacy and confidential data.  2. This jammer can block all current GPS satellite positioning signals.  3. It does not interfere with the normal operation of mobile phones or other electronic devices and can be used uninterruptedly.
- [High performance 16 bands CDMA GSM DCS 3G 4G WIFI GPS jammer](https://www.jammersignal.com/product/high-performance-16bands-gsm-3g-4g-wifi-gps-jammer/): This versatile and powerful 16-band signal jammer has an amazing jamming range and can block all signals within a radius of 70 meters. Designed to meet a variety of situations, this jammer product provides 16 antennas to provide the advantage of additional jamming signals. Whether you are jamming 3G, 4G, mobile phone signals, WiFi or GPS, this powerful jammer can meet your needs.    Its wide jamming range makes it suitable for a variety of environments, such as classrooms, auditoriums, libraries, cinemas and larger office spaces. The stability of the jamming signal ensures consistency and reliability of the jamming, thereby guaranteeing effective blocking. This jammer product is considered one of the most reliable desktop jammers currently available to meet your daily needs and is an essential tool for signal control and management.
- [High Power Handheld Portable Drone Signal Jammer HW08US](https://www.jammersignal.com/product/high-power-handheld-portable-drone-jammer/): This latest mid-power portable drone signal jammer is designed to cover 100% of drone signal frequencies. Its directional jamming range is 20 to 250 meters, which can effectively prevent unwanted drone activities.    As an excellent drone jammer, this device can effectively jam the 2.4GHz and 5.8GHz signals used by GLONASS and GPS systems. It provides an amazing coverage range of up to 250 meters, which can effectively counter drones and unmanned aerial vehicles such as DJI Phantom 4, Phantom 3 Professional, Advanced, Standard series and Inspire series.    Product Features:    1. With a total output power of 24 watts and equipped with a high-gain 5-7 dBi flat directional antenna, the jamming distance can reach up to 250 meters.  2. Each unit can jam up to 4 bands simultaneously, with adjustable power for each band, ranging from maximum power to off (0). LED indicator shows power status.  3. Provide 100% safe VSWR overload protection for each module, ensuring the reliability and service life of the jammer.  4. Built-in battery, working time exceeds 60-90 minutes, can be used for a long time without constant charging.  5. Battery charge and charger status are conveniently displayed on the LED screen, providing real-time information.
- [High-Power 10 Antenna Portable GPS Wi-Fi 315 433 868mhz GSM 3G 4G Mobile Phone Signal Jammer](https://www.jammersignal.com/product/high-power-10antenna-portable-gps-wifi-phone-jammer/): This is our latest military-grade signal jammer, which has unique advantages, including a wide interference range and multiple frequency bands. It blocks all cell phone signals (GSM/CDMA, 3G, 4G, 4G LTE), Lojack, GPS, Wi-Fi, walkie-talkie UHF/VHF and RF signals such as 315 MHz, 433 MHz and 868 MHz.    Product Features:    1. 7W high output power and high gain antenna, providing up to 45 meters interference range (at -75dBm, depending on the signal strength in a given area).  2. Can be worn on the arm, suitable for military use.  3. Equipped with DIP switch, allowing a single signal band to be turned on or off without affecting other bands.  4. Equipped with a car charger, it can be used directly in the car, and 12V DC/AC power supply options are provided.  5. Built-in larger capacity battery, which can provide more than 2 hours (120 minutes) of continuous working time. The battery design is high capacity and safe, and can be recharged repeatedly.
- [Box Type Adjustable Hidden Antenna WIFI Cell Phone Signal Jammer](https://www.jammersignal.com/product/box-type-hidden-antenna-wifi-cell-phone-jammer/): This hidden antenna wall-mounted mobile phone WiFi signal jammer is a comprehensive solution for shielding interference signals. The jammer uses electronic countermeasures to emit electromagnetic waves to shield and disable downlink mobile phone signals and WiFi signals within a radius of 50 meters. This effectively prevents mobile phones and WiFi devices from working in a designated area, making them unable to send or receive signals.    With its wide coverage, efficient jamming capabilities, and complete shielding of all mobile phone and WiFi signals, it can effectively block all 2G, 3G, 4G, 5G mobile phone signals and WiFi signals.    One of its main features is the ultra-high gain antenna. Unlike traditional jammers that usually share high-gain antennas for all channels or use small-gain antennas for each channel, this powerful jammer uses a 14dBi high-gain antenna for each channel to ensure stable and long-distance interference effects.
- [2.4GHz 5.1GHz 5.8GHz 3-channel Portable Drone Signal Jammer](https://www.jammersignal.com/product/2-4ghz-5-1ghz-5-8ghz-3channel-portable-drone-jammer/): Our powerful drone jammer is designed to effectively block drone WiFi signals in multiple frequency bands. This UAV signal jammer has excellent thermal conductivity, high performance, and impressive range.    Designed for portability, it is an ideal solution for managing illegal drone activities. This 2.4GHz 5.1GHz 5.8GHz 3-channel drone jammer is the first choice of city security management departments and a valuable tool for protecting privacy and ensuring safety.    Product Features:    1. Equipped with a reliable cooling system and built-in cooling fan for efficient heat dissipation.  2. Individual frequency bands can be adjusted or deactivated without interfering with the operation of other frequency bands.  3. Capable of jamming signals at 2.4GHz, 5.1GHz, and 5.8GHz frequencies.
- [Protective Cell Phone GPS Signal Tracking Interceptor Bag](https://www.jammersignal.com/product/cell-phone-gps-signal-tracking-interceptor-bag/): Introducing a cell phone signal blocker and anti-radiation bag designed to protect your cell phone location from GPS tracking.    Product Features:     	Incoming calls from the cell phone in the bag will display a message saying "The user you are calling is temporarily out of service area".   	Placing your cell phone in the bag helps prevent electromagnetic radiation and has health protection functions.  
- [18 Channel WiFi VHF UHF Lojack GPS Mobile Cell Phone Signal Jammer](https://www.jammersignal.com/product/18channel-wifi-vhf-uhf-gps-mobile-cell-phone-jammer/): This versatile 18-band signal jammer is capable of blocking multiple signal frequency channels, including cell phone 2G, 3G, 4G, 5G, WIFI 2.4G, WIFI 5.8G, WIFI 5.2G, WIFI 5.4G, GPS, LOJACK, VHF, UHF and other signals.    Product Features:    - 18 channels can be customized to suit the frequencies and specific requirements of different countries.  - Adjustable knobs allow each channel to be controlled and turned on/off individually.  - Create designated signal-free zones based on customer needs.  - The surface adopts stripline design, which has good heat dissipation effect.  - Equipped with extra-thick heat sink, vents and fans, it dissipates heat quickly.  - Includes high-gain 9dB fiberglass omnidirectional antenna.  - Optional network center monitoring function is available at an additional cost, suitable for high-power military and prison applications.
- [High Power 16-Band Adjustable Mobile Phone Frequency Signal Jammer](https://www.jammersignal.com/product/high-power-16band-adjustable-mobile-phone-jammer/): This all-in-one jammer is designed to block a variety of signals, including 5GLTE, 4G, 3G, 2G, WIFI (2.4G/5.8G), GPS, UHF and VHF. Its 16 antennas have powerful jamming capabilities that ensure the interruption of cell phone signals as well as other wireless frequencies such as CDMA450M and LOJACK. With a high power output of 100 watts, the effective interference radius can reach 80 meters, depending on the signal strength at a specific location. The device is equipped with 7 cooling fans that can run continuously and is equipped with LED indicators to indicate the status of each frequency band.    Main Features:    1. Built-in AC110-240V to 24V adapter, safe and convenient to use.  2. Equipped with 7 internal cooling fans for continuous operation.  3. Equipped with infrared remote control, the power can be turned on/off conveniently within a range of 2-5 meters.  4. Allows any single frequency band to be adjusted or turned off individually without affecting the operation of other frequency bands.  5. Independent module design, each channel has a separate frequency source, ensuring easy maintenance.  6. LED indicators indicate the working status of each frequency band.  7. ODM and OEM options are available, allowing 16 frequency bands to be customized according to your requirements.
- [Handheld all in one Drone Jammer with jamming distance up to 500 meters](https://www.jammersignal.com/product/handheld-all-in-one-drone-jammer/): Introducing the latest mini handheld all-in-one drone signal jammer with directional antenna. This portable jammer device is lightweight and integrates a high-gain 10dbi directional antenna, which can jam from 100 to 500 meters away.    Product Features:    1. Integrated handheld design, small and lightweight.  2. Built-in three-in-one high-gain 10dbi directional antenna, total output power of 20W, providing an interference distance of 100-500 meters (depending on the distance between the drone and the remote control).  3. Each device can interfere with up to 3 frequency bands at the same time, equipped with an independent power switch and LED indicator to display the power status.  4. VSWR overvoltage protection ensures that each module is 100% safe.  5. Built-in battery, working time is about 60 minutes.  6. Battery power, charger status and working current are displayed on the LED screen for easy monitoring.
- [Small Car GPS Jammer can be charged from Cigarette Lighter](https://www.jammersignal.com/product/small-car-gps-jammer-can-be-charged-from-cigarette-lighter/): Our GPS jammers are small and portable, offering protection for your personal privacy and location anywhere, anytime. With onboard charging functionality, they can be used for extended periods in vehicles. Additionally, these jammers have excellent camouflage capabilities, making them difficult to detect.    This product is highly cost-effective and is considered one of the most popular mini-jamming devices available. For wholesale inquiries, please contact us at info@jammersignal.com to obtain an even more favorable price.    Applicable Scenarios:     	Vehicles equipped with GPS tracking devices.   	Locations where personal tracking needs to be prevented.    Product Features:     	Effectively blocks GPS satellite signals, safeguarding your location privacy and personal information.   	Does not interfere with the normal operation of mobile phones or other electronic devices.   	Small size, high power output, lightweight design, wide coverage, and easy portability.  
- [Desktop Jammer GSM 3G 4G GPS WiFi Signal Blocker with 2 Powerful Fans](https://www.jammersignal.com/product/desktop-jammer-gsm-3g-4g-gps-wifi-signal-blocker/): Introducing the GSM 3G 4G GPS WiFi Jammer with fan with powerful cooling function, designed to run for long periods of time and withstand high temperature environments. This jammer is also highly portable, making it an excellent choice.    Features:    1. Slow start circuit design is adopted to prevent ignition caused by mechanical switches.  2. Can run continuously for 24 hours.  3. High hardness black aluminum casing is adopted to enhance heat dissipation.  4. Symmetrical air inlet and outlet layout is equipped on both sides to promote convection airflow. Two silent fans effectively dissipate heat to ensure stable operation of the device.
- [10 Antenna GSM GPS Cell Phone WiFi Jammer](https://www.jammersignal.com/product/10antenna-gsm-gps-cell-phone-wifi-jammer/): This 10-antenna jammer device can effectively block various wireless signals, such as (CDMA/GSM/DCS/2G/3G/4G/5G/WIFI) without causing any negative impact or interference to the communication and transmission of other nearby electronic devices. With a radius of 5-20 meters (depending on the signal strength of the location), it can effectively shield the above wireless signals.    Advantages:    1. Adopt the latest SMD components and integrated circuits to ensure easy installation, convenient operation and stable performance.  2. Adopt aluminum housing, which has undergone advanced secondary oxidation treatment and has excellent heat dissipation performance.  3. Provide an effective shielding distance of 1-20 meters, depending on the signal strength of a specific area.  4. Each frequency band can be individually controlled on/off.  5. A visible power indicator light is provided on the device for easy monitoring.  6. Equipped with a cooling fan, it can be used in the car through a car charger and an AC charger.  7. Portable, compact and energy-saving, ensuring harmlessness to the human body and the environment.
- [8 Antenna Signal Jammer Effectively Interferes with 2G 3G 4G and LOJACK GPS WIFI Signals](https://www.jammersignal.com/product/8antenna-signal-jammer-effectively-interferes/): Introducing a powerful outdoor jammer designed for long-term use. This 8-antenna jammer is equipped with a high-capacity 8000mAh NiMH battery to ensure extended use time. Compared with other 8-way handheld jammers, it has extended antennas and a larger interference range.    Product Features:    1. 8 bands 5.6W, equipped with 8000mAh NiMH battery, can work continuously for up to 2.5 hours. Can be used while charging.  2. Equipped with DIP switches, each band can be controlled individually. Has a working LED light for easy monitoring.  3. Can be used directly in the car with the included car charger, or indoors with an AC charger.  4. Built-in cooling fan and larger heat sink design ensure efficient heat dissipation for continuous operation.  5. The temperature is kept below 55℃ to ensure safe and reliable performance.
- [The Latest 8-Antenna Handheld GSM 4G Jammer has the ability to intercept WIFI GPS Signals](https://www.jammersignal.com/product/latest-8antenna-handheld-gsm-4g-jammer/): The 8-band portable mobile phone signal jammer is able to interfere with all types of Android phones, tablets, smartphones, iPhones, Windows phones and other devices that use 2G, 3G, 4G, GPS L1-L5, LOJACK or remote control frequencies (such as 315MHz and 433MHz), as well as Bluetooth and Wi-Fi signals. It is equipped with a built-in NiMH battery with a capacity of 4700mAh, which can provide about 1.5 hours of operation time. This jammer can be used indoors and outdoors, providing convenience for various scenarios.    Product Features:    1. 8 bands, output power of 4.0W, NiMH battery capacity of 4700mAh, which can provide 1.5 hours of operation time. The device can be used while the battery is charging.  2. Adopting a unique DIP switch design, each band can be controlled individually, and equipped with LED lights to indicate the working status.  3. Can be used directly in the car with a car charger or the included AC charger.  4. Equipped with an internal cooling fan and a larger heat sink to ensure the continuous operation of the device.
- [12 Bands High Power Portable Phone Jammer Blocks 2G 3G 4G GPSL1-L5 WIFI2.4G 5G Signals](https://www.jammersignal.com/product/12bands-high-power-portable-phone-jammer/): This professional and powerful portable cell phone signal jammer is designed to block a variety of signals, including 3G, 4GLTE/WIMAX, Wi-Fi 2.4G/5G, GPS, LOJACK, UHF and VHF. This 12-band high power jammer is currently designed with a convenient carrying case. The built-in battery provides about 1.5 hours of operating time.    This jammer can also be customized as a high-power drone jammer with 4-6 antennas, providing powerful jamming capabilities to counter 100% of drones and UAVs, such as Phantom 4, Phantom 3 Professional, Advanced, Standard Series and Inspire Series.    Advantages:    - With a total output power of 86W, it is able to block signals within a range of 10-80 meters. Actual coverage depends on signal strength in a particular area.  - Each unit can jam up to 12 bands simultaneously, each band individually adjustable from maximum power to off (0).  - Equipped with 3 cooling fans for continuous operation and built-in AC adapter.  - Included 24V10Ah or higher capacity battery provides approximately 1.5 hours of continuous operation. Battery level and charging status are displayed on the LED screen.  - Designed with a portable carrying case for easy transportation. There is also the option to connect an external battery if required.
- [Portable 5-Band GPS Jammer with 3G, 4G GSM WIFI Signal Blocker](https://www.jammersignal.com/product/portable-5band-gps-jammer-3g-4g-gsm-wifi/): Launched a portable 5-antenna mobile phone signal jammer that can block 3G, 4G, GSM, GPS and WIFI signals.    The jamming device has a compact design and the antenna can be easily removed. It comes with independent frequency switches that enable users to turn specific frequencies on or off as needed.    Features:    1. Effectively prevent GPS satellite positioning tracking to ensure the protection of your privacy and confidential information.  2. Efficiently interfere with CDMA, GSM, DCS, PHS, 3G and other mobile phone signals.
- [Large Battery Handheld 8 Band DCS PCS Cell Phone GPS WIFI Signal Jammer](https://www.jammersignal.com/product/handheld-8band-dcs-pcs-cell-phone-gps-wifi-jammer/): Introducing the latest unique high power handheld cell phone signal jammer with 8 high gain antennas and 28 watts of output power. The jammer can effectively block mobile phone signals including GSM, CDMA, DCS, 2G, 3G, 4G, and 5G. It is also capable of blocking LOJACK, WIFI 2.4G and GPS signals at a range of up to 50 meters, making it more powerful than other common portable jammer models.    Advantage:    1. The latest handheld design with 8 high-gain antennas that can block mobile phone, GPS and Wi-Fi signals.  2. High output power of 28 watts, providing an interference range of 5 to 50 meters (at-75dBm, depending on the signal strength in a given area).  3. The battery capacity LCD display shows the capacity percentage and operating voltage/current.  4. Rugged ABS casing with efficient cooling system including internal cooling fan and larger radiator.  5. Equipped with DIP switch, allowing you to turn on/off specific signal bands without affecting other signal bands.  6. Built-in larger battery, working time is 60 minutes, and can be easily charged.
- [Mini Automatic GPS Signal Jammer in USB Form](https://www.jammersignal.com/product/mini-automatic-gps-jammer-in-usb-form/): Introducing a portable GPS signal jammer in the form of USB device specifically designed to shield and block GPS signals.    Features:    1. Hidden USB flash drive design, extremely compact and easy to carry.  2. Provides an interference range of up to 5 meters, effectively protecting your personal safety and privacy.  3. Convenient power supply options: USB interface (compatible with portable batteries, computers, mobile phone chargers, car chargers) and Android charging interface (compatible with mobile phones, all Android devices, etc.).
- [Multifunctional WIFI 2G 3G 4G 5G Cell Phone Signal Jammer](https://www.jammersignal.com/product/multifunctional-wifi-2g-3g-4g-5g-cell-phone-jammer/): The high-performance jammer can intercept and block 2G, 3G, 4G, 5G mobile phone signals and WIFI signals within a large coverage area of 100 to 200 square meters.    Features:    1. Wide coverage of 100-200 square meters (-75dBm, in indoor transparent environment, depending on the distance from surrounding base stations).  2. 30W (single channel 3-5W) high power output, effectively blocking 2G, 3G, 4G, 5G mobile phone signals and WIFI signals.  3. Equipped with a precision voltage stabilizing circuit, it can work normally even if the voltage fluctuates greatly.  4. Use original chips and circuit boards to ensure high efficiency, stable performance and long life.  5. Durable ABS shell provides waterproof, wear-resistant, and heat-resistant performance.  6. It has convection vents and built-in high-efficiency radiators and fans to prevent local heat accumulation and promote efficient heat dissipation.  7. Simple appearance, compact size and small space occupation.  8. Environmentally friendly, no harm to human body.  9. The installation process is simple and convenient.
- [Small Aerial 2.4GHz 5.8GHz Drone signal Jammer](https://www.jammersignal.com/product/small-2-4ghz-5-8ghz-drone-jammer/): Drone jammers are specifically designed to prevent unauthorized spying, tracking or photography. This drone signal jammer is mainly used for civilian purposes and provides an effective solution for protecting privacy, especially in areas such as the United States where illegal drone activity is increasing.    Feature:    1. Equipped with an efficient cooling system to ensure extended working hours without overheating.  2. An optional 3-meter long vehicle charging cable is available for easy use on DC12V vehicles.  3. Able to interfere with signals in the 2.4GHz and 5.8GHz frequency bands.
- [3 Bands Handheld 2.4G 5.2G 5.8G Bluetooth WIFI Signal Jammer](https://www.jammersignal.com/product/3bands-2-4g-5-2g-5-8g-bluetooth-wifi-jammer/): Introducing the latest, unique, high-power handheld Wi-Fi Bluetooth jammer. With 6 watts of interference power, it can effectively block signals within a range of up to 40 meters, including Wi-Fi, Bluetooth, 2.4G, 5.2G and 5.8G signals. The jammer is lightweight, portable and easy to carry. It is equipped with a built-in battery that can work continuously for 3.0 hours, and the battery capacity is displayed on the LCD screen.    Advantage:    1. Three-band handheld design, which can block high-power Wi-Fi Bluetooth signals at 2.4G, 5.2G, and 5.8G frequencies.  2. The jammer has a high output power of 6 watts, enabling it to cover an interference range of 5 to 40 meters (depending on the signal strength of a given area).  3. The battery capacity is displayed on the LCD screen, showing the capacity percentage and operating voltage/current.  4. The disruptor features an ABS casing and a high-efficiency cooling system, including an internal cooling fan and a larger radiator.  5. Equipped with DIP switch, you can turn on/off specific signal frequency bands without affecting other people's operations.  6. Built-in larger battery, working time can reach 150 minutes, and can be easily recharged.
- [Portable Integrated Jammers GSM 3G LTE4G GPS WiFi Signal Blocker](https://www.jammersignal.com/product/integrated-jammers-gsm-3g-lte4g-gps-wifi/): This jammer device is adjustable and capable of blocking all mobile phone communications, including the new 4G low-band and high-4G bands. This particular jamming device has a discreet design with a hidden antenna, making it less noticeable. It includes individual band control buttons, allowing you to turn specific bands on or off as needed.    Features:    1. Can jam six different frequencies simultaneously or individually, allowing you to block specific bands if needed.  2. The total output power is up to 5W.  3. Equipped with an efficient cooling system to ensure long-term continuous operation.
- [New Portable 12 Band WiFi Cell Phone Jammer 315/433MHz](https://www.jammersignal.com/product/portable-12band-wifi-cell-phone-jammer/): The 12-channel mobile phone signal jammer is an environmentally friendly device that can selectively block on-site mobile phone reception without affecting surrounding base stations.    This 12-channel cell phone signal jammer adopts an environmentally friendly design and will only interfere with cell phone reception in nearby areas, while surrounding base stations will not be affected. With 12 outputs, it can effectively block various mobile phone signals within a range of 1-10 meters, whether it is domestic mobile phones or international mobile phones (depending on the base station signal strength). It ensures that the signal is completely disconnected.    Specification:    - Power consumption: 24W  - Total output power: 12W  - Antenna output: ≥1W  - Total weight: 2.2 kg  - Interference radius: 1-10 meters  -Battery capacity: 4000mAh
- [Hidden Antenna 16 Bands 5G Phone Jammer 4G 5G Wi-Fi GPS RF LOJACK Blocker High Power](https://www.jammersignal.com/product/hidden-antenna-16bands-5g-phone-jammer-wifi-gps/): The 16-band portable jammer's hidden antenna and handheld design ensures effective signal blocking of all cell phone signals, LOJACK GPS, Wi-Fi and RF signals. It has a high output power of 12 watts and can cover an interference range of 2 to 20 meters (75dBm), depending on the signal strength in the area. Equipped with two sets of antennas of different lengths for better concealment and enhanced interference effect.    The device comes with an LCD display that shows the battery level including capacity percentage, operating voltage/current, and an ABS casing with a good cooling system. It also has an internal cooling fan and a larger radiator to ensure the temperature stays below 50°C. DIP switches allow users to selectively enable or disable specific frequency bands without affecting other bands. The jammer can be powered using the included car charger or 12V DC/AC power supply.    It has a larger built-in battery that can run for over 2 hours (120 minutes) and is easily recharged.    Features:    1. Equipped with car charger, supports 12V DC/AC power supply.  2. Provide more than 2 hours (120 minutes) of working time.  3. The output power is up to 2 watts, and the interference range is 2-20 meters.  4. Supports 16-band all-in-one frequency shielding, covering mobile phone signals, LOJACK GPS, Wi-Fi, and RF signals.
- [Portable GPS WIFI Signal Jammer with Shielded Signal GSM](https://www.jammersignal.com/product/portable-gps-wifi-jammer-shielded-gsm/): The portable car GPS jammer operates at 315 MHz, 433 MHz and 868 MHz, providing powerful jamming capabilities and 3 watts of output power.    The jammer is extremely compact in design and handheld, measuring only 62mm*34*120mm, making it easy to carry and hide. It features independent band switches, allowing users to activate or deactivate specific bands as needed. Additionally, it comes with a cigarette lighter charger that can be used in the vehicle.    This product is suitable for use in examination rooms, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, military facilities and other places where the use of mobile phones is prohibited.    Features:    1. Equipped with a large-capacity lithium battery (2000mAh), which can be used continuously for 1-3 hours.  2. Able to work continuously for 24 hours without overheating.
- [10-Channel Mobile Phone Signal Jammer](https://www.jammersignal.com/product/10channel-mobile-phone-jammer/): The 10-channel mobile phone signal jammer is an environmentally friendly device that can selectively block mobile phone signals without affecting nearby base stations.    This mobile phone signal jammer works on 10 channels and can effectively block various mobile phone signals within a range of 1-4 meters (depending on the base station signal strength), whether it is domestic or international mobile phones, ensuring complete disconnection.
- [World First 20-Antenna All-In-One 5G Mobile Phone Signal Jammer, Shielding 3.5G 3.7G Full Frequency Band](https://www.jammersignal.com/product/all-in-one-20antenna-5g-mobile-phone-signal-jammer/): Introducing an all-in-one 5G cell phone jammer with an impressive set of features. This desktop jammer features 20 antennas designed to block a variety of frequencies including 3.5G, 3.7G, 5G WIFI, GSM, 3G, 4G, VHF, UHF, Wi-Fi, GPS, L1, L2, L5, LOJACK , 5.2G, 5.8G, 3.5G, 3.7G and 315MHz, 433MHz, 868MHz and other radio frequency signals. With its comprehensive range, this jammer device can effectively jam a wide range of common frequencies.    The Main Advantage:    1. Integrated design of 20 frequency bands, including 5G mobile phone signal jammer, 3.5G, 3.7G, 5G WIFI, etc.  2. Equipped with a remote control for easy switching.  3. Equipped with 5 internal cooling fans for efficient heat dissipation.  4. Low operating noise.  5. Any individual band can be adjusted or disabled without affecting the operation of other bands.  6. Designed for continuous operation.  7. Stable performance.  8. It can be used directly in the car using the car charger.  9. Total output power: 52W.  10. Light weight, total weight 7.5kg.  11. Power options include AC 110V/220V and 12V cable from car battery.  12. Compact size: 450mm x 240mm x 60mm.
- [8 Adjustable Antennas Jammer Desktop Wi-Fi Cell Phone Signal Jammer High Quality](https://www.jammersignal.com/product/adjustable-8antennas-jammer-desktop-wifi-cell-phone/): Introducing the first jammer designed specifically to jam advanced WIFI frequencies operating in the 5GHz spectrum. The 5GHz band contains the 802.11ac, 802.11a, and 802.11n standards. This band is growing in popularity due to its faster speeds, reduced disconnections, and enhanced user experience. Additionally, due to its waveform characteristics, 5GHz signals can penetrate areas previously inaccessible to 2.4GHz waves.    The Main Advantage:    - 8-channel design customized for specific frequency bands  - High output power, up to 18W, interference range up to 40 meters (depending on signal strength in the area)  - Includes a car charger for the vehicle  - External omnidirectional antenna covers all TX frequencies in downlink only  - Built-in cooling system with three fans for continuous operation  - Ability to adjust or disable any individual band without affecting the operation of other bands
- [Portable 16 Antennas All In One Jammer](https://www.jammersignal.com/product/portable-16antennas-all-in-one-jammer/): This is a versatile portable jammer with 16 frequency bands and manually adjustable jamming radius. This feature allows you to selectively choose which frequencies to interfere with at specific times, while leaving other frequencies unaffected. Each band is equipped with LED indicators to show its status.    This breakthrough jammer device is the first portable jammer to completely block all frequencies in the 164-5900MHz range. It is an indispensable tool for maintaining privacy and preventing the leakage of important information in offices, conference rooms, showrooms and other places.    The 16HU portable jammer is compatible for use in multiple regions including the United States, Canada, South America, Europe, Asia, Australia and Africa, making it suitable for disabling major frequencies around the world.
- [New 2 Band Cigarette Lighter GPS Jammer Car GPS L1 L2 Blocker](https://www.jammersignal.com/product/2band-cigarette-lighter-gps-jammer-car-l1-l2-blocker/): This is a small concealed 2-band GPS jammer that can simultaneously interfere with ordinary civilian global satellite signals L1 and L2. This GPS Blocker device is commonly used in cars and can be conveniently powered from a cigarette lighter. The maximum interference radius of this MINI signal jammer is 10 meters.
- [6 Antennas Cell Phone Signal Jamming Device WIFI GPS GSM 3G CDMA DCS 4G](https://www.jammersignal.com/product/6antennas-cell-phone-jamming-device-wifi-gps-gsm/): Introducing a high quality portable handheld cell phone jammer with six antennas. The device is also capable of blocking signals from GSM, UMTS, LTE, GPS and WLAN.    One of the outstanding features of this multi-band jammer product is its convenient single-frequency switching. Users can easily turn on or off individual bands as per their requirements. The device is designed with an efficient cooling system that allows it to run for long periods of time without overheating. It effectively blocks major mobile phone frequency bands as well as WIFI and GPS signals. Whether you need to create a quiet environment in any situation, this jammer is for you. Its portable design ensures easy transportation.    Features:    1. Compact and portable design, easy to carry.  2. Can interfere with 6 frequency bands and effectively interfere with all mobile phone signals.  3. Easy to operate, just plug in the power and you can start using the device immediately.
- [New U Disk GPS Jammer Anti Tracker](https://www.jammersignal.com/product/u-disk-gps-jammer-anti-tracker/): The latest U-disk GPS jammer has a variety of convenient charging methods to choose from, and can be connected to USB, cigarette lighter, and power bank for power supply. Thanks to its LCD display, users can easily monitor interference effects, providing clear visibility. The GPS signal jammer device is capable of blocking the GPS L1 and L2 civilian frequency bands.
- [Latest High Power Desktop Signal Jammer VHF UHF WIFI GPS 5G 4G 3G](https://www.jammersignal.com/product/desktop-signal-jammer-vhf-uhf-wifi-gps/): Launching the latest 8-band phone jammer, equipped with 8 antennas, supports blocking all frequency bands, including GPS, 5G, WIFI, VHF, UHF, 4G and LOJACK. Each frequency shielding function operates independently and has an interference range of up to 40 meters.    Features:    1. Specially designed to effectively block 5G mobile phone signals, including the latest 5.8G frequency.  2. 18W high output power, providing an interference range of up to 40 meters.  3. Each frequency band can be selectively turned on or off without affecting other frequency bands.  4. Equipped with an efficient cooling system, it can operate continuously for a long time.
- [Glod 4 Antenna Jammer Interceptor WIFI GPS GSM UMTS 315 433 868mhz Signal Optional](https://www.jammersignal.com/product/glod-4antenna-jammer-interceptor-wifi-gps-gsm-umts/): The portable Glod 4 Antenna Jammer device features four antennas that provide a range of frequencies to block multiple signal bands, including 315MHz, 433MHz and 868MHz. This Wi-Fi mobile signal jammer is lightweight and is favored by customers for its portability.    Main Features:    1. Can be used and charged in the car.  2. The design is compact, exquisite and easy to carry.  3. Can operate continuously for 24 hours.  4. Adopt advanced cooling system with good heat dissipation effect.
- [Aluminum Alloy Shell 10 Band 5G Mobile Phone WiFi Signal Jammer](https://www.jammersignal.com/product/aluminum-alloy-shell-10band-5g-phone-wifi-jammer/): This versatile 10-antenna multi-frequency jammer supports 10 different signal bands and can jam cell phone, Wi-Fi, GPS and other signals simultaneously. High-power design, single channel power up to 5W, total maximum power 50W, effectively extending the interference distance. The 10-band signal jammer is made of aluminum alloy casing, which is wear-resistant, scratch-resistant, sturdy and durable. It is also equipped with a fan and heat dissipation space for efficient heat dissipation in all directions. One-button switch, easy to operate, supports 24 hours of uninterrupted work.    Features:    1. High-power design, single channel maximum 5W (5G frequency power is slightly lower), total maximum total power up to 50W  2. Aluminum alloy shell, wear-resistant and scratch-resistant, sturdy and durable  3. The fan cooperates with the cooling space and the aluminum alloy body to dissipate heat in all directions  4. It can accommodate up to 10 signal frequency bands, which can cover as many signals as possible, or can do multiple frequency bands on a single channel, and the effect is doubled  5. Compact design, easy to place anywhere without taking up space  6. One-key switch, easy to use, support 24-hour uninterrupted work  7. Suitable for schools, conference rooms and other occasions
- [Powerful 3G 4G WiFi jammer LTE/Wimax-GPS Blocker with 12 Antennas](https://www.jammersignal.com/product/3g-4g-wifi-jammer-lte-wimax-gps-12antennas/): This high-performance signal jammer comes with 12 antennas, making it a popular choice among cell phone jammer users. This 12-antenna jammer can effectively block Lojack, GSM, GPS, WIFI, 315MHz, 433MHz and other signals.    Features:    1. Output power up to 30W, interference range up to 75 meters (actual range depends on signal strength in a given area).  2. Equipped with a car charger DC12V, which is convenient for use in the car.  3. Built-in high-efficiency cooling system to ensure continuous and uninterrupted operation.  4. Adjusting or disabling any single frequency band independently will not affect the operation of other frequency bands.
- [Desktop 16 Adjustable Antennas Jammers LOJACK UHF VHF 2G 4G 3G 5G GPS WIFI Blocker](https://www.jammersignal.com/product/desktop-16adjustable-antennas-jammers-lojack-uhf-vhf/): The Desktop 16 Adjustable Antennas Jammers support more than 10 different signal frequency bands and can simultaneously jam mobile phone, WiFi, GPS and other signals. The power output of each channel is up to 5W, effectively extending the working distance.    Introducing the first powerful all-in-one UHF/VHF, 5GLTE/4G/3G/2G, WiFi 2.4G/5.8G and GPS signal jammer with a 16-antenna design. This jammer device provides excellent interference capabilities, not only blocking all 3G, 4G and 5G mobile phone signals, but also jamming VHF, UHF, WiFi 2.4G, 5.8G, CDMA450M and GPS LOJACK signals. This signal jammer has an adjustable high-power output of 98 watts and a jamming radius of up to 80 meters, depending on the signal strength at a specific location. The device is equipped with 7 built-in cooling fans to ensure continuous operation. LED indicators show the working status of each frequency band.
- [MDPB-S108 Portable Recording Jammer Anti-Recording Equipment](https://www.jammersignal.com/product/portable-recording-jammer-anti-recording-equipment/): The desktop recording jammer (camouflage version) has stronger shielding effect, longer shielding distance, and comprehensive coverage of a variety of recording devices. It is the best choice for leadership offices, small conference rooms and other environments.    Advantage:    The Desktop Jammer (Camo Edition) excels in several key areas of the Jammer range. It has the following main advantages:    1. Enhanced shielding effect: Compared with other products in this series, the desktop recording jammer (camouflage version) provides higher output jamming signal power. This creates a stronger noise signal that interferes with the recording equipment, providing more effective shielding.  2. Longer shielding distance: The shielding distance of the desktop recording jammer exceeds that of similar products. It can effectively block better recording equipment within a range of about 2-3 meters. In some cases, it can even achieve shielding distances exceeding 3-5 meters for certain recording devices, such as specific mobile phones and micro bugs.  3. Comprehensive device coverage: The camouflage recording interceptor effectively intercepts most of the current mainstream recording devices. The coverage rate exceeds 95%, surpassing similar products on the market.
- [Desktop 12-Antenna 5G Cell Phone Blocker with Remote Control and Powerful Cooling Fan](https://www.jammersignal.com/product/desktop-12antenna-5g-cell-phone-blocker-remote-control/): Launched a new powerful 12-Band mobile phone, WiFi, GPS, and 5G signal jammer equipped with 12 antennas to provide powerful jamming capabilities. The jammer device effectively blocks all 3G, 4G and 5G mobile phone signals, as well as WiFi, GPS and LOJACK signals.    Feature:    - 12-channel design with 3-10 watts of output power per band.  - Total output power up to 90W, interference radius up to 80 meters (depending on signal strength).  - External high-gain 2-3dbi omnidirectional antenna provides comprehensive coverage in the downlink direction.  - Built-in cooling system with 6 fans for uninterrupted operation.  - Built-in AC to DC adapter for convenient power supply.  - Infrared remote control can safely turn on and off the machine within a range of 2-5 meters.  - LED indicators show the working status of each frequency band.  - Power adjustment and individual frequency band control without affecting other frequency bands.  - Independent module design, easy maintenance (the PCB can be replaced with a new one if the frequency band is damaged, no special equipment is required).  - ODM and OEM orders are welcome, allowing 12 bands to be customized according to specific requirements.
- [Full Band 22 Antenna Cell Phone Signal Jammer 5G GPS WiFi Blocker](https://www.jammersignal.com/product/full-band-22antenna-cell-phone-jammer-5g-gps-wifi/): Introducing a newly designed high-power 22-antenna 5G signal jammer. This all-in-one device has powerful interference capabilities, not only blocking all 5G, 3G and 4G mobile phone signals, but also Wi-Fi 2.4G/5GHz, GPS, LOJACK, RF 315 MHz, 433MHz, VHF, UHF, walkie-talkies and Wireless headphone/microphone signal. It has an impressive interference radius of up to 40 meters.    Features:    1. Customized design, 22 channels covering specific frequency range.  2. The output power is up to 45W, and the interference distance is up to 40 meters (the actual range depends on the signal strength in the area).  3. Equipped with an external omnidirectional antenna to ensure full coverage of all downlink target frequencies.  4. Equipped with a car battery charger for easy use on vehicles.  5. Built-in high-efficiency cooling system enables continuous and uninterrupted operation.  6. Adjust or deactivate any single band independently without affecting the operation of other bands.  7. Infrared remote control can turn on and off the machine within a range of 2-5 meters.
- [Desktop 5-Band Adjustable Jammer for 3G 4G GSM WIFI GPS Frequency](https://www.jammersignal.com/product/desktop-5band-jammer-3g-4g-gsm-wifi-gps/): Introducing a high-performance multi-frequency WLAN interceptor that can also effectively intercept GSM, UMTS, WiFi and Bluetooth signals, providing interference at a range of up to 40 meters.    The device is designed to be small and lightweight, making it very portable. Additionally, it offers an excellent price/performance ratio, making it an excellent choice for users. It can interfere with 2G, 3G, 4G, WiFi and GPS signals.    Features:    1. Unique cooling vents and dual fan design ensure long-lasting and stable operation.  2. Built-in industrial-grade high-power switching power supply to ensure signal stability and accuracy.  3. The intensity of the electromagnetic field emitted by the equipment is significantly lower than the national standard and has no impact on the human body.
- [Latest 16 Band 5G Jammer All Mobile Phone Signal GPS WiFi Blocker](https://www.jammersignal.com/product/16band-5g-jammer-all-mobile-phone-gps-wifi/): This 16 bands jammer effectively blocks signals from 2G, 3G, 4G, 5G, CDMA 450Mhz networks, as well as RF signals such as LOJACK, GPS, Wi-Fi 5G, Walkie-Talkie UHF/VHF, and 315, 433 and 868 MHz. With its small size and LCD display, it remains popular in 2021 and beyond.    Advantage:    1. The world's first portable jammer with 16 antennas designed to block all cell phone, 5G, 4G, 3G, 2G, LOJACK, GPS, Wi-Fi and RF signals.  2. Output power is 18 watts, interference range is 2 to 25 meters (at-75dBm, depending on the signal strength in the area).  3. Equipped with a reliable cooling system, including three internal cooling fans and a larger radiator. Additionally, it comes with a nylon cover for easy handheld use.  4. DIP switches allow specific signal bands to be activated or deactivated independently without affecting other signal bands.  5. Includes car charger, also supports 12V DC/AC power supply.  6. Built-in larger battery, battery life can reach 150 minutes, and can be easily charged.  7. The battery capacity LCD screen provides information such as remaining capacity, operating voltage, current, etc.
- [16 Antenna Full Band Signal Jammer WIFI GPS LOJACK UHF VHF Phone Blocker](https://www.jammersignal.com/product/16antenna-full-band-jammer-wifi-gps-lojack-uhf-vhf/): Launched a newly designed integrated mobile phone 5G, 5G WiFi, GPS, UHF/VHF signal jammer equipped with 16 antennas to provide excellent interference capabilities.    Not only is this powerful device able to block all 3G, 4G and 5G cell phone signals, it is also capable of jamming WiFi 2.4G, 5G, CDMA450M, GPS, LOJACK, UHF, VHF and LORA signals. With adjustable power up to 110 watts, its interference radius can reach up to 80 meters, depending on the signal strength at a specific location.    To ensure optimal performance, the jammer is equipped with 7 built-in cooling fans that work continuously. LED indicators show the working status of each frequency band, and it is also equipped with an infrared remote control to facilitate power on and off operations within a range of 2-5 meters.
- [World First Portable 24 Antenna Full Frequency Jammer Blocks All Signals](https://www.jammersignal.com/product/portable-24antenna-full-frequency-jammer-blocks-all-signals/): Introducing the world's first all-in-one wireless signal jammer with 24 antennas and portable nylon cover. This powerful jammer effectively jams signals from various devices such as Android phones, tablets, smartphones, iPhones, Windows Phones, and more.    Advantage:    1. The world's first 24-antenna portable jammer, capable of blocking all mobile phone 5G, 4G, 3G, 2G, LORA, LOJACK, GPS, Wi-Fi, and RF signals.  2. With high output power of 24 watts, it provides an interference range of 2 to 25 meters (at-75dBm, depending on the signal strength of the area).  3. Equipped with a reliable cooling system, including three internal cooling fans and a larger radiator. Additionally, it comes with a nylon cover for easy handheld use.  4. DIP switches allow specific signal bands to be activated or deactivated independently without affecting other signal bands.  5. Includes car charger, also supports 12V DC/AC power supply.  6. Built-in battery has a battery life of up to 100 minutes and can be easily charged.  7. The battery capacity LCD screen provides information such as remaining capacity, operating voltage, current, etc.  8. Comes in a secure packaging box and offers a handheld option.
- [Plus High Power 12 Antennas Mobile Phone Signal Jammer Portable RF WiFi GPS Signals Blocker](https://www.jammersignal.com/product/plus-high-power-12antennas-mobile-phone-jammer-rf-wifi-gps/): Introducing a portable cell phone jammer with 12 channels, housed in a stylish silver metal casing and weighing approximately 2.0 kg. It has a built-in cooling fan and a powerful jammer with a maximum coverage distance of up to 20 meters.    This handheld jammer is the most effective option with an 8W output. Its interference range is up to 60 meters and can interfere with signals in 12 different frequency bands. With the convenience of DIP switches, you can easily turn specific signal bands on or off without affecting other signal bands.    Features:    1. Boasts an impressive 8.4 watts of output power and a high-gain antenna that provides an interference range of 2 to 50 meters (at-75dBm, depending on the signal strength in the area).  2. Equipped with an efficient cooling system, including internal cooling fans and larger radiators.  3. DIP switches allow you to activate or deactivate specific signal bands without affecting other signal bands.  4. Equipped with a car charger for easy use on the vehicle, 12V DC/AC power supply can also be selected.  5. Built-in larger battery that can run continuously for more than 120 minutes (2.0+ hours) and can be easily recharged.  6. Includes nylon protective cover for easy portability and added durability.
- [Handheld 4G 5G Jammer VHF LOJACK WiFi GPS 16 Antenna Interceptor High Performance](https://www.jammersignal.com/product/handheld-4g-5g-jammer-vhf-lojack-wifi-gps-16antenna/): Introducing the latest handheld design jammer with 16 bands capable of blocking all cell phone signals (5G, 4G, 3G, 2G), LOJACK, GPS, Wi-Fi and RF signals. The jammer has a high output power of 16 watts and a jamming range of 2 to 25 meters (at-75dBm, depending on the signal strength in a given area). It has a good cooling system with three internal cooling fans and a larger radiator, all enclosed in a nylon cover for easy handheld use.    Advantage:     	The latest handheld design, 16 frequency bands, able to block all mobile phone signals (5G, 4G, 3G, 2G), LOJACK, GPS, Wi-Fi, and RF signals.   	16W high output power.   	Interference range is 2 to 25 meters.   	Efficient cooling system with three internal cooling fans and a larger radiator.   	Nylon cover for easy handheld use.   	DIP switches allow turning on/off specific signal bands without affecting other signal bands.   	Comes with car charger and 12V DC/AC power supply.   	Features a larger built-in battery that provides over 2.5 hours (150 minutes) of runtime and is easy to charge.  
- [High Performance 10 Channels 3G 4G 5G WIFI GSM GPS Desktop Signal Jammer](https://www.jammersignal.com/product/10channels-3g-4g-5g-wifi-gsm-gps-desktop-jammer/): Introducing the latest indoor desktop jammer with 10 antennas designed to effectively block all cell phone signals, GPS and WiFi. The jammer's high power output and large shielding radius make it ideal for maintaining signal privacy in classified or secure locations.    Developed specifically for the upcoming 5G mobile signals, the device is the only 5G phone jammer currently on the market. It has been tested in various ways and proven to be very effective. In addition to blocking 5G signals, it can also interfere with 3G, 4G, and WiFi signals, providing comprehensive signal protection.    Features:    1. Excellent heat dissipation performance, long-term operation and extended service life.  2. The only jammer on the market that can block 5G mobile phone signals.  3. 100W high power output, providing effective interference within a range of 5-55 meters.
- [5 Band Jammer GSM 3G GPS WIFI Bluetooth 5 Antenna Video Signal Blocker](https://www.jammersignal.com/product/5band-jammer-gsm-3g-gps-wifi-bluetooth-5antenna/): The WIFI GPS jammer not only interfere with WIFI signals but also block GPS tracking devices. Furthermore, this portable signal jammer is small in size and can be easily carried wherever you go.    This jammer device is a small multi-functional jammer that can interfere with major mobile phone signals, including 2G, 3G and other frequencies, as well as WIFI and GPS signals. Its convenience and portability make it a must-have for teachers and drivers.    Its independent frequency band switch can flexibly activate the corresponding frequency band for interference.    Feature:     	Can interfere with 2.4GHz WIFI and wireless transmission signals.   	Small size, high output power, light weight, wide coverage and easy to carry.  
- [The Latest Handheld High Power WIFI GPS 4G Mobile Phone Signal Jammer](https://www.jammersignal.com/product/handheld-high-power-wifi-gps-4g-mobile-jammer/): Introducing the holster-holstered handheld cell phone jammer equipped with 8 bands to block cell phone 4G LTE, Wimax, WIFI and GPS signals. The device is designed to increase the effectiveness of law enforcement processes and reduce the chances of criminals losing critical information.    Features:    1. Light and easy to carry, pocket-sized design, can be hung or worn on the arm or belt.  2. The high output power enables the jammer to block all common phone signals within a radius of 5-40 meters.  3. The air holes on both sides and the internal cooler ensure continuous cooling to ensure stable performance, and the temperature remains below 50 degrees Celsius after 1.5 hours of continuous operation.  4. It can be charged by AC charging or vehicle-mounted DC12V charging. The full charging time is about 4 hours and the working time is 90 minutes.  5. Each band can be operated individually or simultaneously using the ON/OFF switch.
- [Portable Handheld 2 Band GPS L1-L2 Jammer](https://www.jammersignal.com/product/portable-handheld-2band-gps-l1-l2-jammer/): The 2-band GPS L1-L2 jammer is designed to cover a 15-meter range, effectively blocking all positioning devices and other GPS signals. This ensures the protection of your personal data and privacy.    This GPS jammer device is specially designed to jam GPS signals. It has a small and lightweight design, making it easy to carry and transport.    Features:    1. Effectively prevent GPS satellite positioning and ensure the privacy and confidentiality of your whereabouts.  2. It only interferes with GPS satellite signals and does not interfere with the normal use of mobile phones.  3. High output power, light weight, easy to carry and use.
- [High Power Handheld 12 Antennas 5G Cellphone Signal Jammer 37 Watts](https://www.jammersignal.com/product/handheld-12antennas-5g-cellphone-jammer-37watts/): Launched a new high-power handheld mobile phone signal jammer with nylon cover and 12 antennas. The portable device has a power output of 37 watts and is effective at jamming signals within a range of 2 to 40 meters (at-75dBm, depending on the signal strength in a given area).    This jammer can interfere with all types of Android phones, tablets, smartphones, iPhones, Windows phones and other devices using 2G, 3G, 4G, 5G and CDMA 450Mhz networks. Additionally, it blocks Wi-Fi on GPS, 2.4G and 5G frequencies, walkie-talkie UHF/VHF signals, and LORA and LOJACK frequencies.    This 5G signal jammer is equipped with a battery capacity LCD display that displays battery capacity percentage, as well as operating voltage and current. The device has a high output power of 37 watts, ensuring effective signal jamming. It also has a good cooling system, including three internal cooling fans and a larger radiator, making it a popular choice for 2022 and beyond.
- [Camouflage Cell Phone Jammer LCD Screen CDMA GSM 3G 4G GPS Lojack Portable Cell Phone Blockers](https://www.jammersignal.com/product/camouflage-cell-phone-jammer-lcd-screen-cdma-gsm/): The latest portable 6-band mobile phone signal jammer, suitable for 2G, 3G, 4G LTE, WIMAX signals. This handheld 6-band signal jammer with display can also jam Lojack, GPS and GSM/CDMA/DCS/PCS signals.    The device is the only one currently equipped with an LCD display, allowing users to clearly observe and access data. The screen provides accurate information and features independent band switches, allowing users to activate specific interfering frequencies as needed.    This 6-band jammer product is suitable for use in a variety of settings, including classrooms, libraries, conference rooms, movie theaters, churches and prisons.    Features:    1. Each antenna has a main switch and individual control switches (No. 1 to No. 6), allowing the user to independently select which antennas to activate. The switch also has a memory function, so if the device is restarted it will retain the previously selected setting.    2. Includes an LCD display to display the device's working status, battery power, charging status and body temperature. This provides greater convenience for controlling and monitoring equipment.
- [High Power 12 Antenna 3G 4G 5G Cell Phone Signal Jammer](https://www.jammersignal.com/product/high-power-12antenna-3g-4g-5g-cell-phone-jammer/): This is a powerful 12-antenna 5G jammer with adjustable output power up to 90W, effectively blocking signals of various frequencies such as WIFI, GPS, LOJACK, UHF, VHF, mobile phone 3G, and 4G. The 12-band signal jammer provides a maximum jamming range of 80 meters.    Main Features:     	Twelve-channel design with individual power output ranging from 3 to 10 watts for each band.   	Total output power up to 79W, interference coverage up to 80 meters (actual range depends on signal strength in specific area).   	External high gain 3-5dbi omnidirectional antenna covering downlink frequencies only.   	Built-in AC110-240V to 24V adapter, safe and convenient to use.   	Adopts an efficient cooling system with five fans to ensure continuous operation.   	Includes an infrared remote control with a range of 2-5 meters for easy switching on and off.   	Allows any individual band to be adjusted or deactivated independently without affecting the operation of other bands.   	Adopting an independent module design, each channel has an independent frequency source and is easy to maintain (damaged frequency bands can be directly replaced without the need for special equipment such as frequency analyzers).   	Supports ODM and OEM orders, allowing 12 frequency bands to be customized according to specific requirements.  
- [G9 Pro Car GPS Jammer for Vehicles Jamming With GPS/GSM/Beidou/Base Station](https://www.jammersignal.com/product/g9-pro-car-gps-jammer-wifi-base-station/): Introducing the G9 Pro Positioning Jammer, an effective device that can comprehensively jam various signal positioning systems. G9 Pro Car GPS Jammer is the ultimate jammer solution designed for anti-tracking purposes. This GPS/GSM/Beidou/Base Station Jammer is able to block GPS, BDS, GSM and DCS signals, providing strong protection against tracking attempts.    The G9 Pro can be powered using a variety of methods, including USB, power bank and OBD (on-board diagnostics) port, ensuring 24 hours a day, 7 days a week operation.
- [Portable Mobile Power Design Mini Hidden 4 Antennas GSM GPS Jammer](https://www.jammersignal.com/product/mobile-power-design-mini-hidden-4antennas-gsm-gps-jammer/): Introducing the latest advanced mini GPS GSM jammer with four hidden antennas. The device is capable of blocking GPS/GLONASS L1+L2L5 signals as well as GSM900/1800 or CDMA850/1900 signals. It is designed like a pocket phone power bank and has a built-in 2000mAH Ni-MH battery that can run continuously for more than 1.5 hours.    Main Features:     	4-band, power output 1.2W, 2000mAh NiMH battery.   	Supports use while charging to achieve uninterrupted operation.   	Provides 1 to 10 meter shielding radius at -75dBm via discreet omnidirectional hidden antenna.   	Conveniently used in the car using USB charging cable.   	Compact pocket design with hidden antenna.  
- [Full Band U Disk WiFi Jammer 2.4GHZ/5.2GHZ/5.8GHZ](https://www.jammersignal.com/product/full-band-u-disk-wifi-jammer-2-4ghz-5-2ghz-5-8ghz/): Introducing W6 Pro, the latest U-disk WiFi jammer designed to disrupt full-band WiFi signals. The shielding range is 2-10 meters, effectively interfering with WiFi frequencies. This small WiFi signal jammer device charges using USB and OBD power and jams 24 hours a day, 7 days a week.    The W6 Pro features an LCD display, making it ideal for use in bedrooms and classrooms. It is the best choice for mobile phone communications not to be affected in small-scale interference scenarios.
- [Super Desktop Drone Jammer 2.4G 5.1G 5.8G UAV Signal Blocker](https://www.jammersignal.com/product/desktop-drone-jammer-2-4g-5-1g-5-8g-uav-blocker/): Introducing a 2.4G 5.1G 5.8G portable drone jammer designed for effective management of illegal drones. It has been recognized as the first choice of city security management departments, providing valuable solutions for protecting privacy and security.    Product Main Features:    1. Equipped with a high-efficiency cooling system and built-in cooling fan.  2. The drone signal jammer device allows any frequency band to be independently adjusted or deactivated without interfering with the operation of other frequency bands.  3. Able to interfere with 2.4GHz, 5.1GHz, and 5.8GHz frequencies.


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