FM surveillance BuG Transmitter

Posted on Apr 23, 2012

The Circuit shown can transmit voice to exceptionally good range. Tune trimmer to hear the signal to your near radio. Frequency range is 88-108 MHz. Max current consumption is 30mA. You can power the bug with a 9Volt Battery, or you can plug a power supply to feed in 9-12 Volts.

FM surveillance BuG Transmitter - image 1
Click here to download the full size of the above Image.

That bug will pick even a low whisper or even the sound of a breath well far from the microphone. Great spy equipment ;)

Leave Comment

characters left:

   May 26, 2008

tray this to improve range with range and volt,apear

New Circuits



Popular Circuits

pulse width modulated (PWM) controller for high current
10 or more switches using a microcontroller
led tube light using transformer
portable solar lantern circuit uses 6
Simple FM Transmitter
Boss DM-2 Delay Guitar Pedal Schematic Diagram
Pump Controller For Solar Hot Water System
Infrared IR Illuminator DIY
Audio Amplifiers