When the mobile phone is working, it is within a certain frequency range, the mobile phone and the base station are connected by radio waves, and the data and sound transmission are completed with a certain baud rate and modulation method. In view of this communication principle, Cell Phone Jammer Amazon Uk 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. cell phone jammer
Common Cell Phone Jammer Amazon Uk on the market, its operating frequencies are: 869~894MHz; 825~960MHz; 1805~1880MHz and 1900~1990MHz, etc. The operating frequency bands are CDMA800, GSM900, DCS1800, and PCS1900. It can control a range of about 40 meters in diameter, using DC-DC converter input voltage and 5V output voltage. How to use the mobile phone signal jammer: select the area where the mobile phone signal needs to be cut off, and place the breaker on the desktop or wall in this area. After the installation is complete, turn on the Power of the disconnector and turn on the Power switch. After the equipment is connected, press the Power switch and the disconnector to work. At this time, all the mobile phones turned on at the scene are in the state of searching the network, and the base station signal is lost. Both the caller and the caller cannot establish a call connection.
