Phone Spy Transmitter

Posted on Feb 7, 2014

Here is a very simple telephone broadcaster transmitter which can be used to eavesdrop on a telephone conversation. The circuit can also be used as a wireless telephone amplifier. One important feature of this phone transmitter is that the circuit derives its power directly from the active telephone lines, and thus avoids use of any external battery or other power supplies

Phone Spy Transmitter
Click here to download the full size of the above Circuit.

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