Ⅰ. Brief introduction of handset:

Working principle of handset: In certain frequency band, handset connect the base station with radio wave, and transfer data and sound by certain band rate and modulation.

Ⅱ. Brief introduction of mobile phones jammers:

The jammer scans the forward channel with the certain speed, from low frequency to high. This scanning will create the noise in the TX signal, result that the handset can not receive the signal from the BTS, and disconnect with the BTS. From the handset, you will see Searching\No signal\No service....

Ⅲ. Main function:

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