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UHF phone adapter and UHF receiver crystal controlled PLL

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  • Model: SETADUHF
  • Shipping Weight: 0.07lbs



This is the best set of the professional camouflaged wiretap and receiver on the UHF band. The transmitter is concealed in a small phone adaptor, and doesn't attract attention. It is feed by the phone line (not using batteries), and  covers an incredible large area. Due to its special design it is the most stable and powerful you may find.

The Miniature UHF wiretap is intended for use in a property room. This phone listening device UHF transmitter - wiretap, will transmit 2 way conversations to a distant  matching receiver with exceptional audio quality.
The set is designed and produced based on the high knowledge of our high skilled staff, and using only on modern SMD technologies. Each transmitter and receiver is tested and tuned in our specialized laboratory and tested "on field" by high skilled engineers for maximum distance.
The sensitive receiver is adjusted to MHz, crystal stabilized, fixed frequency.
We are adjusting each set to a 100% matching frequency. One of the unique receiver features - listening to the converation and recording at the same time, if it is connected to a recorder.
The UHF Quartz stabilized radio receiver can be used in a room or business, indoor or outdoor. The estimated distance is from 200m in urban areas and up to 400+ meters line of sight.




  • Power supply: 9V alkaline battery (not included)

  • Dimension: ONLY 2 X 5.5 X 8.7 cm !!!.

  • Frequency: 433.8-433.9MHz

  • This is an ORIGINAL crystal controlled NFM PLL UHF receiver.

  • Double Superheterodyne - PLL

  • Sensitivity: Better than –125 dBm into 50 Ohm (12 dB/sinad).

  • Less current drawing than any similar device - due to SMD components. (MIL SPECS 1% accuracy)

  • External antenna, only 10cm.

  • Built by using SMD components, for more stability and sensitivity

  • Sensitivity: Better than –125 dBm into 50 Ohm (12 dB/sinad)!

  • Deviation: ~ 2.5 KHz to 6 KHz !!!

  • Sockets for audio recording and earphones.

  • External DC socket.

  • PROFESSIONAL PLATED BOARD FOR EXTRA STABILITY. There is NOT oxidation and dry soldered joints during the time due to the coating material.

  • Just connect it to the battery, and start listening.


  • Power Supply: phone line (no battery!)

  • Concealed in a phone adaptor

  • Dimension: ONLY 1.0 X 2.0 X 2.5 cm !

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

  • Estimated transmitting distance: Urban area 200 mt. and up to 400m line of sight.

  • Using a special material for encapsulating, for safety and anti - humidity !!!

  • The device is coated with special anti-static material.

  • Penetrates through walls and ceilings.

  • Very easy installation.

  • High-tech laminate makes it weather resistant, and THE ONLY ONE which is coated with anti - fire inflammable material!!!

  • Professional gold plated board for extra stability.


  • 1 Set Crystal controlled PLL Crystal controlled receiver and UHF wiretap in adapter transmitter.

  • 1 Instructions Manual.

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