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chaitanya

want mobile jammer circiut

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Hi chaitanya,

If you promise not to make any more double posting I will try to help you! ;)
Which kind of jammer do you need? For GSM 900, like this with an RF power amplifier:

post-929-14279142122606_thumb.gif

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Hi Prateek Dazza,

I was not my intention to create any chaos, just trying to help. ;D I am not the inventor of these circuits; I found them on the net a year ago or so and saved them as

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Hi,
all the links are down.
Could someone please send me the description if you still have it on your computer.
I'm only looking for a jammer with a range of 5 meters (for in an audio studio).

Thanks in advance.

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The moderators should close this down because if any of these are made you would be making a DOS attack which is illegal in most countrys.
DOS = Deniel Of Service.
sorry for moody post im trying to set up a business

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Hi AJB,

There is no such thing as an illegal schematic, just circuits that might be illegal to run in some places. ;D

BTW, what kind of business are you trying to set up?

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Hello all,

I didn't read the individual schematics, but the key here is "the maximum RF output power".  The FCC states that anything that transmitts RF over 500mW output power must be approved, for private or public use, regardless of frequency.  (I can find my FCC-Part 95- rules and regs manual if necessary). 

Personally, if you build ANYTHING that doesn't bother anyone else, except within the confines of your property, it SHOULD be ok to use.  The FCC just wants that inspection and approval fee.

An old Ham radio operator,
oldgrandpainmi



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http://www.hpa.org.uk/radiation/understand/information_sheets/mobile_telephony/background_info.htm

"The mobile phone networks in the UK use frequencies close to 900 MHz, 1800 MHz and 2000 MHz, where the unit MHz (megahertz) is a million cycles per second"

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