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UHF transmitter 6V with Extra power and stability

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  • Model: HP-36S
  • Shipping Weight: 0.03lbs



A micro-spy bug listeming device for room covert surveillance and long distance jobs. Broadcasting on the UHF band for high performance and privacy. This device can be supplied in 433 or 418 MHz frequencies. The transmitters are very easy to use, simply insert the batteries and the unit is on, transmitting the entire audio information within the room to the remote receiver.
The audio is crystal clear and stable. Once the receiver locks onto the transmitted audio signal it remains steady.
The range is approx. 200m on crowded urban areas and up to 600m (line of sight).
The audio bug uses a super sensitive microphone.
This device was designed and tested in our specialized laboratory and tested as well "on field" by high skilled engineers for maximal distance.

Compatible receivers:

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


  • Working Voltage: 2 x 3V Lithium (From CR2032 to CR2450)

  • Dimension: The Diameter is only 2.4 cm (1.0")!

  • Transmitter's frequency range: NFM (UHF) 433.6-433.9MHz CRYSTAL STABILIZED.

  • Long transmitting range: up to 600 m on clear. (L.O.S).

  • SMD built, for more stability and range (MIL SPECS 1% accuracy).

  • EXTRA amplified, additional output!

  • Using a special anti-static material for encapsulating, for safety and security.

  • Its small FET microphone is so sensitive, that you may pick up a whisper from distance, crystal clear. You won't miss a word.

  • Professional gold plated board for extra stability.

Package Includes

  • 1 Crystal controlled PLL Crystal controlled HP36 bugging device transmitter.

  • 1 User Manual.