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Telex BTR-300 Single Channel VHF Wireless Intercom Base Station w/ A4F

Telex BTR-300 Single Channel VHF Wireless Intercom Base Station w/ A4F

Telex BTR-300 Single Channel VHF Wireless Intercom Base Station w/ A4F

B&H # TE71276TRVB MFR # F.01U.135.902
Telex BTR-300 Single Channel VHF Wireless Intercom Base Station w/ A4F

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Product Highlights

  • Designed f/ Portable 2-Way Communication
  • Interface to Other Audio Systems
  • Band Allocation
  • Extended Battery Life
  • Front-End Filtering
  • In-Pack Charging
  • Quality Audio
  • Table or Rack Mountable
  • All Metal Case
  • RF Light Indicator
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Overview
  • 1Description

The BTR-300 Single Channel VHF Wireless Intercom Base Station with A4F Headset Jack from Telex includes one transmit and four receive channels designed to operate in full duplex or simultaneous two-way communications with connection capability for up to four TR-300 belt pack transceivers (not included).

It is designed for portable two-way communication with the capability for interface to other audio systems. It also has the ability to interface with most wired intercom systems. The system operates on selected frequencies within the 150 to 216MHz band.

Lastly, the unit is wrapped in an all metal case for superior shielding.

An extremely flexible unit that has the capability to communicate at one time with up to four portable stations and wired stations (intercom and / or other audio source)
Powered by an external AC supply via the power jack on the rear of the unit. It can also be powered by any 12V AC / DC 700mA source
Intercom connections with the ability to interface with most wired intercom systems
RF light indicator for each portable station
All metal case for superior shielding
Table or rack mountable
Unique audio shaping and circuitry and superior RF design
Simultaneous operation and support of up to four base stations and 16 belt packs
In the Box
Telex BTR-300 Single Channel VHF Wireless Intercom Base Station w/ A4F
  • 1-Year Warranty
  • Table of Contents
    • 1Description
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    Specifications
    Frequency Response Transmit & receive:
    RF frequency range: 150-216MHz
    RF frequency stability: Crystal controlled, 0.005%
    Transmit:
    RF power output: 50mW typical
    Modulation Transmit:
    FM, 3KHz deviation
    115 micro-seconds pre-emphasis
    Modulation limiter: Internal compressor
    Modulation frequency range: 300-5000Hz ±2 dB
    Type Receive:
    Dual conversion super heterodyne, FM
    Sensitivity Receive:
    RF sensitivity: Less than 0.6 μV for 12 dB SINAD
    Selectivity Receive:
    IF selectivity: 3 dB at 30kHz (4 pole monolithic filter)
    Image Rejection Receive:
    Image rejection: 65 dB or better
    Squelch Receive:
    Squelch quieting: 90 dB
    Squelch threshold: 1.0 μV (internal)
    Signal to Noise Ratio Receive:
    90 dB
    Input Power 12V AC/DC at 360 mA
    Output Intercom output: 330 mV (low) or 1 V (high) RMS into 300 ohms load typical (at rated deviation)
    Auxiliary output: 2 V RMS into 600 ohms load typical (at rated deviation)
    Local headset output: 32 mV maximum output into 600 ohms
    Speaker / local monitor output (into 8 ohms): 2W (at rated deviation)
    Input Intercom input (gain minimum): 300 mV RMS typical (for rated deviation)
    Auxiliary input (gain maximum): 60 mV RMS typical (for rated deviation)
    Local headset input: 2 mV RMS input nominal / 1.5 mV RMS input at compression (dynamic)
    Antenna Transmit antenna:
    5/8-wave (supplied)
    SO239 connector on chassis
    Receive antenna:
    5/8-wave (supplied)
    SO239 connector on chassis
    Distortion Receive:
    Less than 1% at rated output
    Emissions Transmit:
    Radiated harmonics and spurious emissions: -45 dBC, exceeds FCC specifications
    FCC Compliance Transmit:
    Type accepted under parts 90 and 74
    Temperature -4-130°F (-20-55°C)
    Form Factor Rackmount
    Color Black
    Dimensions (W x H x D) 15.8 x 1.8 x 10.5" (401.3 x 45.7 x 266.7mm)
    Weight 4.5 lb. (2kg)

    Telex BTR-300 Single Channel VHF Wireless Intercom Base Station w/ A4F Review

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