Uhf single-channel wireless transceiver

  • Bat/Overmod Light (BAT/OM)

    Light will flash once when unit is turned on if the battery is good. If the light stays on, battery is low. If the light does not flash, battery is dead. A normal microphone gain setting will cause the LED to flash at the beginning of most words at normal speech levels. If the gain is too high, the LED will be red during the complete word at normal speech levels.

    On/Off Volume Control

    Turns the beltpack power on and controls head set volume

    Talk Button

    Press to enable the audio path to either Intercom Channel A or B or A + B, from the local headset microphone. The associated “TALK” LED, #6, will turn red when enabled. A quick press and release latches the talk function, unless latching has been disabled. Holding the button for over ½ second, will cause the audio path to be enabled only for as long as the button is held. If the talk function is latched on, pressing the talk but ton again will turn it off.

    Talk Light

    Will turn red when enabled by associated TALK or WTA button

The Telex RadioCom BTR-700 UHF-synthesized wireless intercom system offers the ultimate in reliable, high performance, high fidelity full duplex communications. The BTR-700 system includes the BTR-700 frequency-agile base station, working with up to four TR-700 frequency-agile beltpacks. The BTR-700 system is perfectly suited for stand-alone operation and can interface with Telex Audiocom, RTS Two-Wire Intercom, Clear-Com as well as RTS Digital Matrix Intercom systems and other four-wire communications systems. In addition to the external intercom systems interfaces listed above, the system provides connections for auxiliary balanced audio input and output. The Telex RadioCom BTR series has been designed for reliable, efficient operation. Operating in the 518 to 868 MHz range, the units operate reliably at line-of-sight distances of 1,000 feet. With available antenna systems from Telex RadioCom, the effective operating range can be extended. The TR-700 high efficiency beltpacks provide 12-14 hours of uninterrupted operation using standard alkaline batteries.


Power Requirements 6 “AA” Cells Alkaline (NiMH optional)
Frequency Response 300 Hz-8 kHz
Antenna ¼ Wave (supplied), Screw type, Replaceable (TX/RX)

Type Dual Conversion Superheterodyne, four Independent Synthesized IFs, FM, 712 channels each
Function User Station
Frequency Band of Operation 518 - 608 MHz, 614 - 740 MHz, 796 - 868 MHz in 18 MHz TX and RX bands
Microphone Input Sensitivity 7
Local Headset Output 40 mW output into 600Ω (1% Distortion)
Current Draw 140 (Push-to-Talk, Talk On)
Transmit Power 50 mW Max. (Auto-power reduction)
RF Frequency Stability 0.005
Height 5.05 in (12.83 cm)
RF Sensitivity 0.7 (for 12 dB SINAD)
Width 3.75 in (9.53 cm)
Squelch Threshold 20 (SINAD)
Depth 1.65 in (4.19 cm)
IF Selectivity 3 (at 230 kHz)
Weight 0.45359232
Image Rejection 70 (or better)
Color Black
Squelch Quieting 90
Distortion 1 (at full deviation)
Storage Temperature -4°F to 130°F (-20°C to 55
Form Factor Beltpack


sprites_global sprites_ev