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 for their strong effects and are suitable for use in specific places such as prisons and detention centers that require strong shielding. However, if a high-power jammer is used near residential areas, it may interfere with the mobile phone voice call signals of nearby residents. Therefore, high-power jammers are generally more suitable for use in open areas away from residential buildings. In urban areas where multiple base stations are often concentrated, the local signal strength increases, resulting in a significant shortening of the shielding distance of low-power jammers. In this case, only high-power jammers can play an effective shielding role. With the increase in signal transmitting base stations in large cities and the strengthening of environmental signals, the working range of some signal jammers may be affected. High-power jammers can only guarantee ideal shielding effects if they are strictly supervised during production.

In some special application scenarios, users prefer high-power portable signal jammers. For example, special police forces may need them in hostage rescue negotiations, emergency situations requiring emergency communication control, or when suspicious explosives are found in crowded places. In these cases, it is crucial to rely on professional equipment for technical support. Usually, such shielding devices use built-in batteries as power sources. However, a concern arises: Can these high-power portable jammers work continuously for more than 3 hours in actual applications?

According to the technical specifications disclosed by the leading manufacturers of high-power portable signal jammers, the nominal RF transmission power can reach more than 50W. A single set of portable signal jammers can cover more than 15 RF bands and is a practical and meaningful high-power full-band signal jammer. Preliminary evaluation shows that the total output power of all RF modules of a set of portable signal jammers is usually between 600W-1000W. According to the conventional conversion ratio of RF power to power consumption of 1:3, it can be estimated that the total power consumption of such equipment is about 2000-3000W.

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