A Network Jammer is a device which is used to prohibit the Mobile Phones  from receiving signals from its base station. As the number of cellular phone users increasing day by day, they are also rising serious concerns of mobile phones.  Mobile phones are breaching privacy in life like in examination it is becoming source of cheating. Do you mind if your phone will ring inside the silent meeting room ? Do you mind if you are doing meditation in peaceful environment and suddenly someone’s cell ring up? How will you feel? Mobile phones are also used by outlaws and rebels for illegal purpose. Due to the remote capability of Cell phones, the are used for explosion. To get rid of all these types of problems we are introducing Network Jammer. Yes, the main work of  Mobile signal Jammers is to block and disable all kind of mobile signals.  Originally they were invented for military, security and law enforcement but now it is also used to interrupt communications done by terrorists. 
  

These devices work in different ranges with few meters to several miles as depending on its radius. There are different kinds of Jammers for blocking different signals. This can block multiband signals, CDMA, 2G, 3G, GSM, DCS.  They are available in different sizes also. Some jammers are so small to put inside pocket. Some are hidden that will hide themselves in painting or a cigarette box and nobody can detect the presence of jammer.

 Working  Of Mobile Jammer: 

Actually mobile jammer uses the technique of interference. Cellular Signal Jammer sends Radio waves of the same frequency as Cell Phones. Due to this, interference occurs which hinder mobile to receive signal from tower. Every Mobile Jammer uses antennas to send radio waves as signal to interrupt link between phones and base stations.

Important Parts of jammer:

·         Oscillator: For generating the radio waves oscillator is used and these radio waves will interfere with base station’s radio signals.

·         Tuning circuit: It is used to handle the frequency of radio signals by sending voltage to the oscillator.

·         Noise generator: It is generally a part of the tuning circuit which is used to create noise to disable mobile signals.

·         RF amplifire: For Boosting and amplifying the radio frequency.

These types of instruments could be used in many sectors like meeting rooms, conference rooms,  trains, banks, military area, museums, factories, theatres, churches, concert halls, classrooms, temples, buses, taxi  and other places where people need silent atmosphere.

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