Comtek BST 25-216 Synthesized Base Station Transmitter

Product Description
Product Reviews

The BST 25-216 is a professional quality, auxiliary base station transmitter designed to operate with the PR-216 and PR-216 Option 7 synthesized receivers in the 216-217 MHz band.

The BST 25-216 transmitter 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, tour guide, language interpretation, and assistive listening applications.

Unique COMTEK features of the BST 25-216 include:

57 user-selectable channels in the 216-217 MHz range: 38 standard narrow-band, non-companded channels; 19 high-fidelity narrow-band channels with companded audio processing.
Single-window, bright LED display for exact frequency and channel, VU bar graph meter, antenna condition and lock-out indicator.
Test tone generator for receiver testing and audio level referencing.
Balanced mic or line level with 60 dB of control range to accommodate any audio level.
Micro controller automatically sets the modulation deviation, the audio mode for companding processing, and the EQ when corresponding channels are selected.
Can be rack mounted for AC or 12 volt DC power and can accommodate a variety of remote antennas.

Includes
12-volt DC power supply, TWA-216 telescoping whip antenna, and C-16 carrying case.

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Audio Inputs	Mic XLR, 600 ohm balanced -40dBV (nominal) Line XLR, 10 kohm balanced 0dBV (nominal)
Connectors	XLR-3 female audio input connector for mic and line input XLR-4 male power input 12 V BNC type RF output connector
Indicators	LED bar graph VU meter displays audio input (modulation) Two digit alpha numeric display shows operating channel Five digit 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 Requirements	12 V DC, 300 mA max
Freq. Response (Rec/Repro)	80Hz-8kHz
Audio Distortion	Less than 1% at 80% modulation
Modulation	Soft compressor type with high (25 dB) linear overload protection, attack time less than 1ms, recovery time 10ms
Gain Control	Greater than 40 dB
Generators	Test tone: 400Hz 0.05% distortion
Modulation	Frequency: 5 and 10kHz deviation
RF Output Power	Set for 100mW for FCC Part 95
Frequency Stability	Better than 20 ppm. digitally synthesized, crystal controlled
Operating Frequency	216-217MHz
Harmonic & Spurious Emissions	Better than 55 dB below carrier
Dimensions (W x H x D)	6.5 x 1.8 x 5.6" (165.1 x 45.7 x 142.4mm)
Weight	2.8 lb. (1.2kg)

Comtek BST 25-216 Synthesized Base Station Transmitter

Brand : Comtek

Unique COMTEK features of the BST 25-216 include:

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