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Telex BTR700
UHF Wireless Intercom Base Station


Single channel UHF frequency agile wireless intercom base station with Enhanced ClearScan™, talk/listen headset station at the base, easy-to-use graphical user interface...
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Single channel UHF frequency agile wireless intercom base station with Enhanced ClearScan™, talk/listen headset station at the base, easy-to-use graphical user interface, Intelligent Power Control™, combination tone code/RF noise squelch and DSP digital audio processing, and much more.

This system packs all of the performance punch of the BTR-800 without all of the bells and whistles. Each base station supports up to four full time transmit, full duplex communication beltpacks. The BTR-700 is fully compatible with Telex, RTS and Clear-Com hardwired communications systems right out of the box.


  • Four beltpacks per base station. Each BTR-700 base station can support up to four TR-700 wireless beltpacks in fulltime transmit, full duplex operation. Multiple base station/beltpacks systems can be used together to meet the needs of virtually any wireless communications application.
  • Frequency agile. Choose from 1440 user selectable frequencies using the 700’s new revolutionary graphical user interface. Frequencies can be selected from groups of intermod free choices, or any frequency in 25 KHz increments. Select from 720 TX and 720 RX frequencies each from independent 18 MHz operational windows.
  • UHF operation. Both the BTR-700 and the TR-700s operate in the UHF band from 518 to 740 MHz. Bases and beltpacks operate in specific 18 MHz operational bands. Contact Telex customer service for complete operational band details.
  • Enhanced ClearScan™ frequency auto selection. Frequency selection has never been easier! This is an advanced form of our existing ClearScan technology. It actually looks at all of the available frequencies in the factory and user-defined groups and ranks them so that the user knows the best frequencies to use. Now you can walk into a new venue in a new city and have a clear set of frequencies in less than a minute with the push of a couple of buttons!
  • Intermodulation-free factory selected groups. Each 700 system comes with 24 factory selected, intermod avoiding groups that allow even the most uninitiated user to get started right out of the box. Telex has done all of the work for you!
  • “Fifth Person” Talk/Listen station at base. The BTR-700 base station features a full talk/listen headset station so that an additional user can communicate on the intercom channel.
  • Intelligent Power Control™. This new breakthrough technology takes system range and performance to a whole new level. Each beltpack senses when it is close to the base station and intelligently reduces its output by 10 dB. This effectively eliminates overloading the base station receiver front end which is the primary cause for the “near – far” desensing problem experienced in other wireless intercoms.
  • Cast magnesium beltpacks. TR-700 beltpacks are constructed of extremely light, strong and durable cast magnesium. That’s the metal “mag” wheels are made from! Using magnesium substantially decreases the weight of the beltpack while assuring the utmost ruggedness and durability.
  • Graphical user interface. Both the BTR-700 and the TR-700 have easy to use user interfaces utilizing state of the art LCD displays. Custom graphical menus on the BTR-700 allow access to all of the powerful features and system operational parameters. The menu structure has been specifically designed to be intuitive and easy to use right out of the box.
  • Detachable beltpack antennas. TR-700 beltpacks feature detachable antennas that utilize stud type threaded connectors that do not have a fragile center pin to break off or bend. Detachable antennas make storage or shipping a breeze.
  • Two great battery options. TR-700 beltpacks can be operated from standardAlkaline AA batteries that provide over 14 hours of continuous duty operation.For applications where rechargeable batteries are required optional NiMHbattery packs are available. NiMH batteries do not develop harmful memorieslike NiCads and offer a full 11 hours of operation. Drop-in chargers are alsoavailable in single and four-gang configurations.

  • RF Frequency Range: 518-608 MHz, 614-740 MHz in 18MHz TX and RX bands
  • Power Requirement: 100-240 VAC, 50-60 Hz, IECreceptacle
  • Temp Range: -4° to 130° F (-20° to 55° C)
  • Dimensions (W x H x D): 19" x 1.72" x 14" (48.3 x 4.4x 35.6 cm)
  • Weight: 6 lbs 15 oz (3.15 kg)
  • Transmit Antenna: 1/2 Wave (supplied) TNC MaleConnector
  • Receive Antenna: 1/2 Wave (supplied) TNC MaleConnector
  • FCC ID: B5DM516
  • Frequency Response: 300 Hz-8 kHz
  • Four Wire Input: Level Adjustable (2 Vrms typical)
  • Four wire Output: Level Adjustable (2 Vrms typical)
  • Telex Intercom: Input/Output Level Adjustable (1 Vrmstypical), Line Impedance 300 ohms
  • RTS Intercom: Input/Output Level Adjustable (0.775Vrms typical), Line Impedance 200 ohms
  • ClearCom Intercom: Input/Output Level Adjustable (1Vrms typical), Line Impedance 200 ohms
  • Auxiliary Input: Adjustable (2 Vrms typical)
  • Auxiliary Output: Adjustable (2 Vrms typical into 600ohms)
  • Microphone Input Sensitivity: 9 mV
  • Local Headset Output: 40 mW output into 600 ohms (1%Distortion)
  • Transmitter
    • Type: Synthesized, 720 channels
    • Transmit Power: 50 mW Max. (High), 5 mW (Normal)
    • Modulation Type: FM
    • Deviation: 40 kHz
    • RF Frequency Stability: 0.005%
    • Modulation Limiter: Peak-Responding Compressor
    • Radiated Harmonics & Spurious: Exceeds FCC speicifications
  • Receiver
    • Type: Dual Conversion Superheterodyne, Synthesized, FM, 720 channels
    • RF Sensitivity: <0.8 uV for 12 dB SINAD
    • Squelch Threshold: 20dB SINAD (About 1.0uV)
    • IF Selectivity: 3 dB at 230 kHz
    • Image Rejection: 70 dB or better
    • Squelch Quieting: 90 dB
    • RF Frequency Stability: 0.005%
    • Distortion: <1% at full deviation
UHF Wireless Beltpack Transceiver, TR-700
Telex TR700 UHF Wireless Beltpack Transceiver, TR-700
Single channel UHF frequency agile wireless beltpack for use with the BTR-700. All metal cast magnesium case, an LCD based graphical user interface, Enhanced ClearScan™, Detachable antennas and an auto-sensing headset connector that ...
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