Users Manual Part 1

BTR-80N, TR-80N, TR-82N Introduction 13
Stage Announce Relay
Dry contact, rated at 1 Amp, 24V Max
Microphone Input Sensitivity
9mV
Local Headset Output
40mW output into 600Ω (1% Distortion)
Transmitter
Type
Two Synthesized Transmitters
Transmit Power (each transmitter)
Selectable: off, 10mW, 50mW, 100mW, 249mW
Modulation Type
FM
Deviation
4kHz
RF Frequency Stability
2.5PPM
Modulation Limiter
Peak-Responding Compressor
Radiated Harmonics & Spurious
Exceeds FCC specifications
Receiver
Type
Triple Conversion Superheterodyne, four Independent IFs, FM
RF Sensitivity
<0.6V for 12dB SINAD
Squelch Threshold
adjustable - 12/20/24dB SINAD
IF Selectivity
6dB at 30kHz bandwidth
Image Rejection
70dB or better
Squelch Quieting
90 dB
RF Frequency Stability
2.5 PPM