Minuscule listening device 3V Spy bug UHF Programmable


Minuscule listening device 3V Spy bug UHF Programmable


Minuscule listening device 3V

70 in stock


Minuscule listening device 3V and powerful bug spy transmitter which uses the UHF band, feed by one button battery.
We can program this bug in our lab to almost endless frequencies, between 400 and 450MHz.
The estimated output power is 10mW and the more powerful is 15mW.
The main pluses of this transmitter are:

  • Unlike others, the option to use many similar devices in several rooms within a property.
  • The small size.
  • The current is moderate, therefore that the battery lasts for a long time.

It has an ON / OFF option, therefore you may stop its transmissions very easy. The spying bug uses a short antenna, 15-17cm (depending on frequency).
Obviously, you may expect to a nice range, depending on the terrain and obstacles between the transmitter and receiver.
The audio quality is more than perfect, and the minuscule microphone sensitivity is unbelievable!

We also a special receiver that is matching the spy bug and you may find them here:

Transceiver FM UHF extremely sensitive

Also, of course, you may use your own UHF receiver.


  • Voltage: 1 X CR2430 or CR2450, even CR2477
  • PCB Size: The size is only 2.45 cm (1″) diameter..
  • The Minuscule listening device 3V frequency range: NFM (UHF) 400-450MHz STABILIZED and Programmable in our lab.
  • Moderate transmitting range:  up to 450 m on clear. (L.O.S). Special powerful design.
  • Frequency is programmable (In our lab).
  • Quartz Stabilized.
  • On / off switch.
  • Penetrates through walls and ceilings.
  • Very easy, no time installation.
  • User manual is included.
  • FET microphone, 4mm diameter immersion gold .

Additional information

Weight 0.03 kg


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