How to use cell phone jammer:
1． Select the area where you need to cut off the mobile phone signal, and place the cutter on the desktop or wall in this area. 2. After the installation is complete, turn on the power of the disconnector and turn on the power switch. 3. After the equipment is connected, press the power switch and disconnector to work. At this time, all the mobile phones turned on at the scene are searching for the network, and the base station signal is lost. Both the caller and the caller cannot establish a call.
Brief introduction to the principle of mobile phone signal jammer According to the above communication principle, the jammer scans from the low end frequency of the forward channel to the high end at a certain speed during the working process. This scanning speed can cause garbled interference in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent from the base station, so that the mobile phone cannot establish a connection with the base station. The mobile phone is manifested as a search network, no signal, no service system and other phenomena.