Author name: Tom

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 […]

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

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

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

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,

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

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.

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

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

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

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

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.

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

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

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

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

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,

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

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 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.

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

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

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

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

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

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,

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

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,

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

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

It has been seven years since the launch of 4G signals in 2014. With the progress of the times and the advancement of communication technology, the arrival of 5G is getting closer and closer. Many people want to know when there will be full-band jammers to block 5G signals. The answer to this question depends

Like mobile phones, mobile phone signal blockers emit certain radiation. However, it should be noted that mobile phone signal blockers do not need to be avoided simply because of radiation hazards. The working principle of mobile phone signal blockers is similar to that of mobile phones. They use chips similar to mobile phones to emit

To ensure the effective installation of a full-band GSM jammer, it is necessary to consider the size of the area that needs to be shielded. For example, conference rooms can be divided into small, medium, and large conference rooms. The installation and testing methods of full-band signal jammers vary according to these categories because each

The Municipal Procuratorate organized a paper-marking examination, with more than a thousand prosecutors from Zhoukou City and County Procuratorates participating. Although it was an internal examination, it was as serious as an examination. To ensure the fairness of the examination, backpack jammer devices were installed on site to prevent cheating. The examination was conducted in

Maintenance: Best Selling Signal Jammers

How do drone jammers work? Drone jammers work by emitting electromagnetic noise to disrupt the operation of a drone and block its communications with its pilot. To achieve this, jammers typically transmit radio frequencies in the 2.4 GHz or 5.8 GHz range. These frequencies are considered “unassigned” public frequencies, ensuring that drone jammers will not

If you are looking for a solution to block cell phone and WiFi in a specific area, consider the 12W 4G LTE WIFI Cell Phone Jammer with Remote Control. This powerful jammer can effectively block 4G LTE cell phone signals and WiFi signals. The 4G LTE Cell Phone Wireless Jammer with Remote Control is commonly

Our website offers a wide range of jammers, both handheld and fixed. Recently, we launched a new product: the USB-type jammer. In this article, we will focus on a portable jammer that is very convenient to carry. This type of jammer has many advantages and is highly recommended by our store manager as it is

It’s the annual college entrance examination season again. The 2020 National College Entrance Examination will be held from July 7 to 9. I wish all customers who have candidates taking the exam all the best! During the exam, each test site will activate a high-power signal shielding device, which will affect the wireless network quality

The client requested to install a cell phone signal jammer in a venue of about 1000 square meters to ensure a quiet and orderly environment during the meeting. The venue size is about 40 meters × 30 meters and the height is about 20 meters. First of all, it should be noted that the mobile

There has been a lot of discussion about the spectrum that 5G technology will use. After the official release of the first 5G-NR standard, network operators around the world are conducting trials with the goal of commercializing 5G in the next 2-3 years. Various frequency bands ranging from 600 MHz to 7 GHz have been

With the development of society, cars have become an essential tool for many families and the main means of transportation for family and friends to travel. Although cars provide convenience, it must be admitted that cars are equipped with GPS satellite locators, which play a vital role in tracking and anti-theft security. However, these GPS

In today’s modern society, electronic devices such as WiFi have become an integral part of our daily lives. Although WiFi has become widely popular and used, some people still feel uncomfortable or sensitive to electromagnetic waves. These people may feel pressure or discomfort in the head and chest when exposed to WiFi signals, even in

A cell phone jammer, also known as a cell phone blocker or signal jammer, is a device designed to disrupt or block wireless cell phone signals in its vicinity. When activated, a cell phone jammer emits a specific electromagnetic interference signal that cancels out or interferes with the transmission of cell phone signals, causing the

Blocking cell phone signals is often a better option in various public places such as classrooms, libraries, and other places that require a quiet environment for activities such as reading, listening to music, or concentrating. If you are looking for an affordable and powerful GPS jammer, it is important to consider factors such as price

Currently, many schools are preparing for the upcoming college entrance examination, and they are working tirelessly to ensure that the examination room is equipped with the necessary materials and equipment. Their goal is to create a stable and orderly environment for candidates, which is a responsibility that schools take very seriously. Therefore, we can see

How do portable GSM jammers improve road safety? Whether you are driving or crossing the road (including using pedestrian crossings), texting on the move poses a significant risk to your safety and that of others around you. For example, when you are texting while crossing the road, you ignore traffic signals and approaching vehicles. As

This is an important question to consider today. You may be wondering why you should be concerned about this issue. In response, I would like to emphasize that although it may not seem like a significant issue at first glance, the topic I am discussing has recently received increased attention. Therefore, I invite you to

Various devices that can interfere with and block radio waves have emerged, including Wi-Fi, Bluetooth, and GPS. While the issue of cell phone etiquette still exists, in this case, cell phone jammers are used. These devices are equipped with antennas for specific frequency bands, effectively rendering smartphones unusable when switched on. They can also counteract

In the past three decades, with the advancement of science and technology, the way of communication has also undergone tremendous changes. From the most basic shouting to the current 5G era, people have a variety of ways to communicate. However, while it is convenient, it also brings new challenges. Examination rooms, prisons, confidentiality and other

In today’s interconnected world, people’s desire for personal privacy and quiet space is becoming more and more important. Cell phone signal jammers are powerful devices that can help individuals achieve tranquility in specific situations and isolate themselves from outside interference. What is a cell phone signal jammer: This section introduces the basic concepts and principles

When customers consult about mobile phone signal blockers, they often mention a common problem, that is, they have tried or purchased 5G signal blockers of other brands, but in actual use, they find that the shielding distance of these so-called 5G signal blockers is significantly shorter, and sometimes they cannot even block certain 5G frequency

In recent years, there have been significant advances in unmanned aerial vehicles, commonly known as drones. These aircraft can be operated without the need for an onboard crew. Drones are capable of autonomous flight, without the need for constant remote control. Although the concept of using drones as strategic machines has not yet been fully

When it comes to defense technology, we have two types: ordinary jamming and advanced jamming . But how do we distinguish between these two strategies? Let’s explore this topic with the help of JAMMERSIGNAL. Ordinary jamming relies on basic technical solutions and employs a series of low-power or high-power jammer devices to counteract signals based

Nowadays, signal jammer technology is very mature, and the application of small radio signal jammers is becoming more and more common. These devices can effectively meet your needs and play a vital role in various scenarios. It is no longer a rare thing to encounter small jammers in our daily life. Compared with professional jammers

Cell phone jammers are strategically installed in locations that are considered conducive to disrupting communications. These smart jammers emit jamming signals in the same frequency band and signal format as satellite positioning systems, effectively blocking radio waves. Some devices are designed to operate in convenient frequency bands, providing reliable performance. While the impact of these

There are generally two ways to shield mobile phone signals: At present, the mobile phone signal blocker on the market uses the method of signal interference. Although the principle is simple, it is illegal to use this frequency band privately and cannot generate commercial value. However, schools have begun to use signal blockers to prevent

There are two main ways to dissipate heat for high-power mobile phone signal jammers: 1.Natural heat dissipation: High-power cell phone jammers that use natural heat dissipation generally use a fully sealed heat dissipation shell. The main body of the device is the shell, which acts as a heat sink. All components such as switching power

The introduction of cell phone jammers has had a certain effect on reducing mobile phone noise pollution, but users of these signal blocking devices often worry about whether the electromagnetic radiation they produce will cause harm to human health. This concern stems from the autonomous and random nature of the installation and use of mobile

Wireless signal jammers, commonly known as WiFi jammers, are widely used in college entrance exams. Such devices can be seen in the examination rooms of major educational institutions. Why are more and more schools choosing to install such devices? In recent years, the phenomenon of cheating has become increasingly rampant, driving the demand for such

Wondering how signal jammers work? A signal jammer is a device that interferes with phone signals within its range. They are available at affordable prices. These devices work by interrupting the frequency at which the signal is transmitted. They are often used in places like prisons and work by interfering with radio waves in different

Wireless signal jammers have become an indispensable tool in various examination halls and meetings such as the junior high school entrance examination, postgraduate entrance examination, CET-4 and CET-6, civil service examinations, and professional examinations. They are used to shield wireless signals, prevent cheaters from using electronic devices, and ensure the fairness and integrity of the