BST-25/216
Comtek
BST-25/216
Comtek BST-25/216 Synthesized Transmitter
This is a professional quality base station transmitter designed to operate in the 216-217 MHz band.
It incorporates the latest digital and analog technologies to produce low residual noise, wide dynamic range, and extended frequency response rendering the most natural sound possible from a wireless system.
This transmitter may be used for personal cueing, for tour guide applications, language interpretation, and for assistive listening applications.
It is also the perfect complement to the Phonak Invisity in-ear monitor.
It incorporates the latest digital and analog technologies to produce low residual noise, wide dynamic range, and extended frequency response rendering the most natural sound possible from a wireless system.
This transmitter may be used for personal cueing, for tour guide applications, language interpretation, and for assistive listening applications.
It is also the perfect complement to the Phonak Invisity in-ear monitor.
Product Weight: 2.75 lbs
Dimensions: 6.5"W x 1.75"H x 5.63"D
Manufacturer Specs
Audio Inputs:
Mic: XLR 600 ohm balanced -40 dBV (nominal).
Line: XLR > 10 k ohm balanced 0 dBV (nominal).
Connectors:
XLR-3 Female audio input connector for mic and line level input.
XLR-4 Male power input 12 volts.
BNC type RF output connector.
Operation Indicators:
LED Bargraph VU Meter displays audio input (modulation).
Two-Digit Alpha Numeric Display shows operating channel.
Five-Digit Alpha Numeric Display shows operating frequency.
Antenna Indicator displays deficient antenna condition.
Lock-out Indicator shows tuning has been disabled.
Antenna:
Telescopic antenna mounts directly into top of transmitter.
BNC RF output connector for optional external antenna.
FCC Compliance: Type Accepted under Part 95.
Power Compliance: 12 volts DC, 300 mA max.
Frequency Response: 80 Hz to 8 kHz.
Audio Distortion: Less than 1% at 80% modulation.
Modulation Limiter: Soft compressor type with high (25 dB) linear overload protection, attack time less than 1 ms, recovery time 10 ms.
Audio Gain Control: Greater than 40 dB.
Test Tone Generator: 400 Hz 0.05% distortion.
Frequency Modulation: 5 kH and 10 kH deviation.
RF Output Power: Set for 100 mW for FCC Part 95.
Frequency Stability: Better than 20 ppm, digitally synthesized, crystal controlled.
Operating Frequency: 216-217 MHz.
Harmonic and Spurious Emissions: Better than 55 dB below carrier.
Mic: XLR 600 ohm balanced -40 dBV (nominal).
Line: XLR > 10 k ohm balanced 0 dBV (nominal).
Connectors:
XLR-3 Female audio input connector for mic and line level input.
XLR-4 Male power input 12 volts.
BNC type RF output connector.
Operation Indicators:
LED Bargraph VU Meter displays audio input (modulation).
Two-Digit Alpha Numeric Display shows operating channel.
Five-Digit Alpha Numeric Display shows operating frequency.
Antenna Indicator displays deficient antenna condition.
Lock-out Indicator shows tuning has been disabled.
Antenna:
Telescopic antenna mounts directly into top of transmitter.
BNC RF output connector for optional external antenna.
FCC Compliance: Type Accepted under Part 95.
Power Compliance: 12 volts DC, 300 mA max.
Frequency Response: 80 Hz to 8 kHz.
Audio Distortion: Less than 1% at 80% modulation.
Modulation Limiter: Soft compressor type with high (25 dB) linear overload protection, attack time less than 1 ms, recovery time 10 ms.
Audio Gain Control: Greater than 40 dB.
Test Tone Generator: 400 Hz 0.05% distortion.
Frequency Modulation: 5 kH and 10 kH deviation.
RF Output Power: Set for 100 mW for FCC Part 95.
Frequency Stability: Better than 20 ppm, digitally synthesized, crystal controlled.
Operating Frequency: 216-217 MHz.
Harmonic and Spurious Emissions: Better than 55 dB below carrier.

