There are many types of mobile phone signal jammers, generally hand-held, wearable, portable, wall-mounted and launching desktop. The general maximum interference range of this kind of equipment on the market can reach 500 meters. Except for specific environments, it generally does not need to interfere with such a large range, and the price of such mobile phone GPS Jammer is generally relatively expensive.
World first all-in-one powerful cell phone 5G GPS UHF VHF WIFI jammer
The working principle of the mobile phone signal jammer is to interfere with the mobile phone communication signal through a signal with the same frequency as the mobile phone signal emitted by the device, so that the mobile phone cannot be connected to the communication base station normally, so that the information cannot be received or sent normally. and the purpose of the call.