Cell Phone Jammer

Hi,..

I've build a circuit to jam the IR signal from a TV remote control, and now I want to do the same thing with cell(mobile) phones.

What I ask about:
1- Is it possible.?
2- How can I do it.?
3- Is it legal.?
4- If it's illegal, could I make it legal.?

Thanks for your time

Always use the search function before openening a new topic!

https://www.edaboard.com/viewtopic.p...ht=cell+jammer
https://www.edaboard.com/viewtopic.p...ht=cell+jammer


best regards

HI
1. YES U CAN DO IT
2. ITS ILLEGAL IN MOST COUNTRIES AND NOT LEGALLY COVERED IN A FEW STATES.
NE WAYS WORTH TRYING......DO FOLLOWING...
A. GENERATE SQUARE WAVE
B. CONVERT INTO A SAW TOOTH WAVE.
C. FEED IT TO A VCO OF APPROPRAITE FREQUENCY RANGE AS PER GSM FREQ RANGE USED IN UR AREA.
D. INPUT TO A RF AMPLIFIER
E .....FEED TO ANTENNA


HERE U GO...................UR MOBILE JAMMER......

BEWARE NOT SO EASY TO IMPLEMENT...
DO LET ME KNOW IF U MAKE SOMETHING

Added after 19 minutes:

HI
FORGOT ONE THING
U VE TO ADD NOISE ONTO TRIANGULAR WAVE TO MAKE IT MORE EFFECTIVE

u need a good power amplifer to kill the phones :D

khouly