Cheap 3G 4G Cell Phone Jammer

Signal jammers are mainly used in examination rooms, prisons, gas stations, mobile phone bomb prevention, oil depots, liquefied gas stations, detention centers, interrogation rooms, courts, labor reform teams, conference rooms, theaters, churches, libraries, school dormitories, special security and confidentiality For occasions (confidential offices, negotiation rooms, mobile vehicles, mobile politicians and business dignitaries), the installation of Cheap 3G 4G Cell Phone Jammer is to prevent cheating, prevent eavesdropping, and prevent information leakage. I hope friends don’t buy mobile jammers at will, go Do illegal things. cell phone jammer

According to the purpose of use, it is generally necessary to consider various factors such as signal attenuation and refraction. At present, some technologies on the market are mainly concentrated in the frequency band that can be received by the walkie-talkie. Some people with ulterior motives have also developed a transmission system that can break through the flat Cheap 3G 4G Cell Phone Jammer based on the walkie-talkie frequency band. Whether it is cheating on exams or other illegal uses such as eavesdropping, they are all targets of such communication systems. Signal jammers cannot play a corresponding role in this scenario. UAVs are used to detect and locate signal sources, but we are not helpless. The best way to cope with this scenario is actually signal detection and location, proactively attacking signal sources in specific frequency bands and arresting suspects. Therefore, during the normal college entrance examination, all the radio waves near the college entrance examination hall are actually recorded. Once there is an unrecorded signal, this radio wave will be quickly locked by the active detection system. Arrested by police officers. Multi-point positioning can determine the location of the signal source