Mobile Signal jammer dealer in Arunachal pradesh A mobile signal jammer is an instrument wont to protect the cell phones from the receiving signal. The mobile jammer device broadcasts the signal of an equivalent frequency to the GSM modem. The jamming is claimed to achieve success when the mobile signals are disabled during a location if the mobile signal jammer is enabled. The mobile signal jammer may be a device that transmits the signals to an equivalent frequency. The jamming section is successful when the world of the mobile signal is disabled if the jammer is on. the primary jamming device was developed and employed by the military for communication purposes. Where the planed commanders use RF communication to regulate their power and also in enemy communications.