Telex TR80N
2-Channel Intercom System with the A4M Connectors in UHF Narrow


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The TR-80N is a 2-channel UHF frequency-agile wireless beltpack for use with the BTR-800. The unit features a durable met-cast magnesium case, an LCD based graphical user interface, and stage announce activation.

The TR-80N is designed with several advanced technology functions, including wireless talk around(ISO) activation, patented Enhanced ClearScan channel search, detachable antennas, and an auto-sensing headset connector that automatically switches between electret and dynamic headset mics. The unit has an A4M headset jack and operates at F1 frequencies.


  • Huge selection of UHF frequencies in 18 MHz operational bands, 24 factorypreset groups
  • 1000' line-of-sight range, AA or NiMH rechargeable battery operation withup to 12 hours of continuous battery life
  • Improved narrow band wireless provides 25kHz of modulated bandwidth,allowing more users per channel in the cramped UHF spectrum
  • Rugged all-metal, 2-channel wireless UHF beltpack with detachable,color-coded 1/4 Wave antennas on stud type connectors
  • Cast magnesium construction for increased durability, lighter weight
  • Proprietary Intelligent Power Control decreases output power of beltpackin closer proximity to Base Station by 10 dB, eliminates Base Stationfront-end overload and desensing
  • On/Off Volume control knob, talk button with latching function with easytop panel access
  • Top panel Battery/Overmodulation and Talk LED lights
  • Automatic dynamic or electret mic type detection
  • Menu and Set, Up and Down rear panel parameter and navigation buttons withLCD display for simplified control


  • Transmitter Type: Synthesized, 712 Channels
  • Receiver Type: Dual Conversion Superheterodyne, Synthesized, 712 Channels,FM
  • RF Frequency Range: F1 Frequency
  • Transmit Power: 50mW max.
  • Microphone Input: A4M Connector, 7mV sensitivity
  • Antenna Type: 2 x 1/4 Wave
  • Local Headset Output: 40 mV Output into 600 Ohms(1% distortion)
  • Frequency Response: 300 Hz - 8kHz
  • Power Requirements: 6 x AA Alkaline; 1 x NiMH Rechargeable
  • Battery Life: AA: 12 hrs.(Continuous); NiMH: 11 hrs.(Continuous)
  • Dimensions: 3.75 x 5.05 x 1.65" (95 x 128 x 42mm)
  • Weight: 16 oz (454 g)
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