This circuit will work in the range of 100 meters i.e. it can block the signals of cell phones with in 100 meters radius. Mobile Jammer Circuit Diagram This circuit will work in the range of 100 ...

A beautiful diy gsm jammer or mobile cell phone jammer schematic diagram for use only in GSM1900 with frequency from 1930 MHz to 1990 MHz. The GSM1900 mobile phone network is used by USA, Canada and ...

Introduction This is a simple FM radio jammer circuit which is mainly used by military, navy, air force and entire defense systems. People will not use jammers everywhere, but they use in selected ...