INTRODUCTION
A GSM Jammer is a device that
transmit signal on the same frequency at which the GSM system operates, the
jamming success when the mobile phones in the area where the jammer is located
are disabled.
Communication jamming
devices were first developed and used by military. Where tactical commanders
use RF communications to exercise control of their forces, an enemy has
interest in those communications. This interest comes from the fundamental area
of denying the successful transport of the information from the sender to the
receiver.
Nowadays the mobile
jammer devices are becoming civilian products rather than electronic warfare
devices, since with the increasing number of the mobile phone users the need to
disable mobile phones in specific places where the ringing of cell phone would
be disruptive has increased. These places include worship places, university
lecture rooms, libraries, concert halls, meeting rooms, and other places where
silence is appreciated.
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