Page 15 – COMTEK BST 25-216 User Manual

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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 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 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:

FCC Parts 22, 74, and 90

Power Requirements:

12 Volts DC, 300 mA max

Frequency Response:

80 Hz to 10 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 and 10 kHz deviation

RF Output Power:

Set for 100 mW

Frequency Stability:

Better than 20 ppm. digitally
synthesized, crystal controlled

Operating Frequency:

216 to 217 MHz

Harmonic and Spurious
Emissions:

Better than 55 dB below carrier

Dimensions:

" wide x 1

" high x 5

deep

Weight:

44 oz.

NOTE: Specifications subject to change
without notice

BST 25-216 SPECIFICATIONS

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