what is use of IC LM555 AND NM555.
circuit shown will work properly or not.
what will be range of it or how to set range?
will it work for all (gsm and cdma)?
....etc

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please upload ieee paper for cellphone jammer doc ....etc

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SUBMITTED BY:
RAJEEV KUMAR


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 successf ....etc

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i need this circuit as my final year project ....etc

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Done by:
Ahmed Sudqi Hussein Abdul-Rahman
Ahmad Nasr Raja Mohammad
Supervised by:
Prof. Nihad Dib

Abstract
This report presents the design, implementation, and testing of a dual-band cell-phone jammer. This jammer works at GSM 900 and GSM 1800 simultaneously and thus jams the three well-known carriers in Jordan (Zain, Orange, and Umniah). This project went through two phases:
Phase one: studying the GSM-system to find the best jamming technique, establishing the system d ....etc

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Prepared by:
Shashank
Kr. Rajeev Ranjan
Kiran Manandhar




Abstract:

Cell phones and radio receivers are used everywhere these days. It's great to be able to call anyone anytime. But unfortunately, restaurants, movie theatres, concerts, shopping malls and churches all suffer from the spread of cell phones because not all cell-phone users know when to stop talking. While most of us just grumble and move on, some people are actually going to extremes to retaliate. FM Jammer can be one of the ....etc

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ABSTRACT

Jammer are the device by which we can creat a temporary “dead zone”in there immediate proxcimity.
There are three type of jammer .
Radar jammer
Radio jammer
Cell phone jammer

A cell phone jammer is an instrument used to prevent cellular phones from receiving and transmitting the mobile signals to a base station. When used, the jammer effectively disables cellular phones in the area.

Jamming basics

A jamming device transmits on the s ....etc

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presented by:
BHARGAV SHAH
HARDIK PANCHAL
KRUNAL NANDU
SONALI DESAI
PRAFULL MANDLIK


INTRODUCTION:
Infrared remote controls make our life so much better, don’t you think? When I was younger, I’d have to get up and walk across the bright green carpet, past the 8-track player and crank the huge knob to change the channel o ....etc

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IR Remote Controller Jammer



Introduction

Infrared remote controls have made our life so much better, we have power to control many infrared based devices sitting at one place.

But, our device Infrared Remote Control Jammer is a device which will make you unable to use your power .

How Remote-Controlled Appliances Work

Remote-controlled devices use an invisible infrared page link and they can easily be identified by he one or more infrared ....etc

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please send me details of mobile jammer circuit
w ....etc

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