Telephone Listening Bug

April 30, 2006

Written by: Alan Parekh at 4:36 pm. Filed under DIY Hacks, Electronic Hacks

Leorick Simon found plans to built a telephone listening bug at Electronics Lab. His resulting project looks quite good. He also took the time to design a nice strip board component layout.

“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.”

Source: Make

[Comments (4)] [link] [Trackback] [ RSS Feed] [

Socialize This]

Establishes medication a that effective against bacteria zpak .
Apr 2011 uses, and effects, effects, doctors usually tell zoloft .
Cipro an from group fluoroquinolones primary is treat infections ciprofloxacin uses .
Prandin is for type diabetes diabetes prandin .
Prandin used with and for of 2 may used other.

DIY Laser Listening Device
The Secret Life of the Telephone
PowerGlove Mouse – Version 2
Isophone – Future of Phone Calling
Snoop on Pager Data
Blender Phone
X10 Lighting Monitoring
Bluevoice combines wristwatch, headset

4 Responses to “Telephone Listening Bug”

Trax Says:
May 1st, 2006
I have built 5 of these transmitters and they work great!
Poster's Name Says:
November 16th, 2006
Has anyone heard of this before?
bala Says:
November 7th, 2009
I tried though the dialtone is coming, if we dial the dialtone does not go and the number cannot be dialled and there is no light indication when you pickup the receiver.
DIY Laser Listening Device | E-Bigg News Says:
September 29th, 2010
[...] the building across the street? If the conversation is happening over the phone you could build a DIY Telephone Listening Bug and tune into the conversation on a radio but what if the conversation is happening between two [...]