System technical parameters
Frequency range: 630-690 MHz
Frequency stability: ±0.005%
Frequency accuracy: ±5KHz
Modulation method: FM
Audio response: 20Hz-12KHz
Signal to noise ratio: ≥75db
Dynamic range: ≥100db
Comprehensive distortion: ≤0.2%
Operating range: 150 meters
Working temperature: -10℃~60℃
 
Technical parameters of receiver:
Receiver mode: digital chip lock frequency
Antenna interface: BNC/50Ω
Sensitivity: 20dBμV (80dBS/N)
Sensitivity adjustment range: 12-32 dBμV
Signal to noise ratio: ≥95db
Spurious suppression: >75dB
Audio output level: unbalanced 0-0.25V/15K; Balanced 0~0.3V/15KΩ
Power supply: DC9-12V
 
Technical parameters of transmitter:
RF output power: 120dbu max
Clutter suppression: 35dbu greater than the carrier