Signal jammers developed by Israel helped Brazilian prisons

The FCC has just issued a special temporary authorization (PDF) to allow the DC Correction Department to test gsm jammer technology. This technology sounds like an excellent solution to a serious problem: prisoners across the country illegally use mobile phones in correctional facilities. In particular, the technology seems to be "directional", which means that unlike traditional jammers, traditional jammers can only block signals within a certain radius around the GSM jammer, while the technology seems to be able to stop some Signal of a room or building. . In fact, I am pretty sure that thousands of Americans want to see this technology used in movie theaters, theaters, and other performing arts venues across the country.

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For a long time, prisoners secretly used mobile phones to plague Brazilian prisons. Now, signal jammer developed by Israel have helped. The price of the device in Brazil is about 520,000 reals, and its size is similar to a laptop with an antenna and GPS tracking system. When a prisoner is in prison, using a mobile phone, the mobile phone screen will display information such as the mobile phone number, service provider and SIM card content. Not only will it automatically interrupt the mobile phone call, but the law enforcement agency where the law is located will also lock the prisoner.

The multifunctional cell phone jammer introduced here is called "adjustable desktop mobile phone WiFi signal jammer with remote control". It is a desktop signal jammer that can adjust the output power by applying the output power. Therefore, each frequency band can be controlled individually or together. Therefore, in only one jammer, the functions of the mobile phone and GPS jammer are perfectly combined, because the shielded frequency bands are WiFi, CDMA, GSM, DCS, PCS and 4G, and only all TX frequencies cover the link. In addition, it is also designed with a remote control, which can help the operator turn the device on or off when he is not near the device.