Comtek BST 75-216 P Mini Base Station Transmitter with Pro Audio EQ, 216MHz Band
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Comtek BST 75-216 P Mini Base Station Transmitter with Pro Audio EQ with 10-Ch Wide Band Compounded Channels for PR-216 Receiver, 216MHz Band

SKU: CTBST75216P MFR: BST 75-216 P
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Key Features

  • Experience superior audio clarity with the Comtek transmitter's pro audio EQ.
  • Ensure seamless connectivity using this wireless transmitter with 10 wide-band channels.
  • Achieve reliable performance with a stable, digitally synthesized, crystal-controlled frequency.
  • Enjoy versatile audio processing, companded & non-companded, for various receivers.
  • Operate confidently with LED indicators for antenna load, SWR, and DC power status.
  • Optimize sound quality with balanced & unbalanced inputs, plus electret microphone support.
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Comtek BST 75-216 Specifications

  • Audio Inputs

    Line level balanced input 0 dBm for 80% modulation (+20 dBm maximum, XLR-3F)
    Unbalanced input (+5 dBm maximum) or 2 wire electret microphones with bias voltage for electret microphone (-35 dBV at 5 kOhm) with 1/4" phone jack

  • Connectors

    XLR-3F Combo with 1/4" phone jack
    Barrel type 5.5 x 2.1 mm power jack DC
    BNC type RF output

  • Indicators

    Operation Indicators:
    LED bar-graph VU meter
    LED antenna load and SWR indicator
    LED DC power indicator

  • Antenna

    Short loaded BNC whip antenna
    BNC RF output connector for an external antenna (sold separately)

  • FCC Compliance

    Type certification and type acceptance under FCC Part 95

  • Power Requirements

    12 VDC, 200 mA maximum

  • Frequency Response

    100 Hz to 10 kHz

  • Audio Distortion

    Less than 1% at 80% modulation

  • Gain Control

    Audio: Limited to 20 dB

  • Limiter

    Modulation Limiter: Peak compressor type with high linear overload protection (25 dB)
    Attack time less than 1 minutes, recovery time 10 ms

  • Audio Processing

    Companded and non-companded to accommodate a variety of receivers

  • RF Output Power

    Maximum power output for FCC Part 95 (100 mW)

  • Frequency Stability

    Better than 0.002% digitally synthesized, crystal controlled

  • Frequency Modulation

    10 kHz deviation companded
    5 kHz deviation non-companded

  • Operating Frequency

    216.0125 to 216.9750 MHz (57 channels)
    Custom factory programmed to 10 of 19 available high-fidelity companded channels or may be programmed to 10 of 38 standard non-companded NB channels

  • Harmonic & Spurious Emissions

    Better than 50 dB below carrier

  • Dimensions (W x H x D)

    3.75 x 1.63 x 5.25" (9.53 x 4.14 x 13.34cm)

  • Weight

    17.00 oz (481.94g)

About Comtek BST 75-216

The Comtek BST 75-216 P Mini Base Station Transmitter with Pro Audio EQ (216MHz Band) is simple to use and features Flash Memory synthesized channel programmability with a manual, 10-channel selectable switch. A multi-function RF indicator detects bad antenna load, RF presence and coaxial cable open condition for quick and easy troubleshooting. To accommodate a variety of receivers, the BST 75-216 Transmitter can operate with both non-companded receivers and companded receivers for higher fidelity sound reproduction. A practical, compact, all-metal enclosure is suitable for permanent rack-mount installations or for standalone portable use.

The BST 75-216 P is configured with all 10 channels using the wide band compounded channels for use with the PR-216 receiver only. It also offers extended low end frequency response.

Comtek BST 75-216 Features

  • Full Fidelity Frequency Response
  • Perfect for Sound Carts
  • Compact Design
  • Easy Setup and Installation
  • User Selectable RF Output Power Level

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Product Documents

User Manual

Key Features

  • Experience superior audio clarity with the Comtek transmitter's pro audio EQ.
  • Ensure seamless connectivity using this wireless transmitter with 10 wide-band channels.
  • Achieve reliable performance with a stable, digitally synthesized, crystal-controlled frequency.
  • Enjoy versatile audio processing, companded & non-companded, for various receivers.
  • Operate confidently with LED indicators for antenna load, SWR, and DC power status.
  • Optimize sound quality with balanced & unbalanced inputs, plus electret microphone support.

What's in the box:

  • Comtek BST 75-216 P Mini Base Station Transmitter with Pro Audio EQ (216MHz Band)
  • C-75 Carrying Case
  • SLW-216-75 Short Load Helical Whip Antenna (216MHz)
  • Antenna Bracket
  • AP-12V1-75 Universal Switching Power Supply (12VDC Output)
  • Comtek 2 Year Warranty