Cell Phone Jammer is an instrument
to prevent cellular phone from receiving and transmitting the mobile signals to
the base station. Unfortunately all places such as church, mosque, library,
movie theatres and meeting room because not all cell-phone users know when to
stop talking. There arises the need of a cell phone jammer.
It's great to be able to call
anyone at anytime. Who hasn't seethed through one side of a conversation about
an incredibly personal situation as the talker shares intimate details with his
friend as well as everyone else in the area?
While most of us just grumble and move on, some people are actually
going to extremes to retaliate. Cell phones are basically handheld two-way radios.
And like any radio, the signal can be disrupted, or jammed using a cell phone
jammer.
Cell phone jamming devices were
originally developed for law enforcement and the military to interrupt
communications by criminals and terrorists. The Cell Phone Jammers are now a
necessity for accomplishing a more cultured society because there is a growing
demand for silence at places like hospital, libraries and movie theatres.
Nowadays, there is a wide range of cell phone jammers starting from a pocket
sized to as big as to jam an entire sport area.
Working of Cellular and How to jam it
In order to explain how cellular
jammers works we need to understand first how mobile phones works. The cellular
phone keeps communicate with cellular base stations every several minutes by
transmitting "alive" signal with ID code. This notifies cellular
network that our cellular phone is ON and in coverage area. Now imagine that
this communication interfere by white noise signal which provide by the
cellular jammer.
The communication between base
station and cellular phone cuts-off and the cellular phone will be totally
blocked. Therefore the receiver in cellular phone "thinks" that
cellular phone is not in coverage area. After 20-60 seconds mobile's phone
display will show "NO SERVICE" or "Searching for network". From
this point of time the cellular phone will not be able to receive or dial
outgoing call. The cellular phone will be able to communicate again after
switch off the cellular jammer.
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