Petrutech Spy Shop
Professional Eavesdropping, Bugging and Surveillance Equipment

Bug UHF mains 110V or 220V THIN v3 without battery

$197.95  $148.00
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  • Description
  • Details
  • Reviews
  • YouTube Channel


220V or 110V Audio transmitter THIN spy audio bug

A small and thin bug using mains 110V or 22oV, this is exactly what you need for perfect a surveillance job!

This is the new, THINNEST,  smallest and powerful professional mains spy bug transmitter, version V3!
Being so thin, the transmitter allows to conceal it in the most difficult places. Its height is barely 6mm!
It is connected directly to the mains (110V or 220V) and it will transmit endlessly, because it doesn't uses battery.
In addition, it has an additional output stage, therefore making it even more powerful compared to the previous version.
Also, it uses an external microphone, and this microphone permits you to conceal it in the most difficult places.
For example, you may hide it behind outlets, in small junction boxes, in lamps and other electrical appliances, etc.
Obviously, it is easier concealing it, due to the thin structure and sensitivity.
It uses an external miniature microphone (4mm), on a 2" (5 cm) long and thin cable.

You may install and use this audio sensitive audio bug MAUHF-V3 in a room like any ordinary bug. The difference is that you don't have to exchange batteries!
Because it uses an improved audio and quality sensitive microphone, the result is a clear sound.
The design of this listening device is professional, and we base it only on modern technologies.

We test each transmitter and tune it in our specialized laboratory and as well in real conditions.


  • Working Voltage: 110 or 220V line (no battery!)
  • Dimension: ONLY 14 X 23 X 6 mm !
  • Transmitter's frequency range: NFM (UHF) 433.6-433.9MHz
  • Long transmitting range: up to 1200 ft (approximately 350m) on clear. (L.O.S).
  • SMD built, for more stability and range (MIL SPECS 1% accuracy).
  • EXTRA amplified, buffered output!
  • Genuine FM - The only one Varicap controlled for power and stability.
  • Using a patent pending material for encapsulating, for safety and security !!!
  • The device is coated with special Anti-static material.
  • Penetrates through walls and ceilings.
  • Very easy installation.
  • User manual is included.
  • Its tiny electret (Condensed) microphone is so sensitive, you pick up a whisper from about 30sq.ft (100sq.m) radius , crystal clear. You won't miss a word. USA made by Motorola high amplification FET microphone.
  • User manual is included.

Please note: the matching receiver for this device is the following one:

or any receiver within 400-450 MHz band and 2.5 kHz steps.



  • 1 220V or 110V Audio transmitter THIN spy audio bug

bug spy powerful VOX 3 volts   VOX micro spy bug transmitter programmable in UHF Band 3V   bug spy round 3 audio VOX  

  • Shipping Weight: 0.03Kgs

Cornel G.
5 of 5 Stars
This is a real professional transmitter. I am very pleased.

YouTube Channel

For your convenience and information we have added some videos to our YouTube Channel.

The videos are designed to give you a better insight of the functionality of our equipment.

The link opens in a new browser window.

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