Working Temperate -20℃―+50℃
Operating Voltage DC 7.2V
Operate Mode:Simplex or Semi-duplex 
Antenna impedance 50Ω

TRANSMITTER

Frequency Stability ±2.5PPM
Output Power ≦4W
Max Frequency Deviation ≦5KHz/2.5KHZ
Audio Distortion ≦3%
Modulation Character +3dB—-3dB 
Adjacent Channel Power≥65dB
Spurious Radiation ≤7.5UW
Occupied Bandwidth ≤16KHz

RECEIVER

RF Sensitivity <0.2UV
Audio Distortion ≦3%
Audio Response +2dB—-10dB 
Adjacent Channel Selectivity≥60dB
Intermodulation Rejection ≥60dB
Spurious Response ≥60dB
Blocking ≥80dB