Comtek BST-75 Mini Base Station, 72-76 MHz

Specs BST75 72-76 MHz
Audio Inputs:
• XLR-3F balanced line input (+20 dBm max)
• 1/4 “ mono plug input (+5 dBm max) or two wire electret microphone input with internal bias voltage.
Connectors:
• XLR-3F Combo with 1/4” phone jack
• Barrel type 5.5mm x 2.1mm power jack DC
• BNC type RF output
Antenna:
• 19″ Telescopic internally loaded antenna (TWA-75)
• BNC RF output connector for optional external antenna
RF Output Power: 120 mW (Maximum for FCC Part 90)
Power Requirements:  12 volts AC or DC, 200 mA max
Frequency Response:  80 Hz to 10 kHz
Audio Distortion:  Less than 0.5% at 80% modulation
Audio Gain Control:  Limited to 20 dB
Harmonic and Spurious Emissions: Better than 50 dB below carrier
Audio Processing: Companded or non-companded
Dimensions:  3.75” W x 1.625” H x 5.25” D
Weight:  17 oz.