Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

How to build a cell phone jammer?

Status
Not open for further replies.
S

seadolphine2000

Advanced Member level 3
Joined
Apr 12, 2005
Messages
880
Helped
122
Reputation
244
Reaction score
87
Trophy points
1,308
Activity points
7,372
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
 

Re: Cell Phone Jammer

Always use the search function before openening a new topic!!





best regards
 

Cell Phone Jammer

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
 

Re: Cell Phone Jammer

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

khouly
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top