Telephone Listening Bug with FM Transmitter by A933

Here is a simple transmitter that when connected to a phone line, will transmit anything on that line (execpt the dial tone) to any FM radio. The frequency can be tuned from 88 to about 94Mhz and the range is about 200 feet. It is extremely easy to build and is therefore a good, useful beginner project.

Read More Source:
http://hackedgadgets.com/2006/04/30/telephone-listening-bug/
http://electronics-diy.com
Thank you.

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Telephone Listening Bug with FM Transmitter by A933