Frequency band: UHF System
Carrier frequency: 500-680MHz
Frequency stability：±0.005%
Modulation mode: FM
Maximum deviation range: ±45KHz
Audio frequency response:40Hz-15KHz (±3dB)
Audio dynamic range:>98dB
T.H.D.：<0.5%
Cover range: about 100meters
Power: AC220V/50-60HZ

Receiver
S/N radio: >98dB
Sensitivity: 5dBu (SINAD=20dB)
Cover range: about 100meters

Transmitter
Output power:20mW
RF radiation:<-60dBm
Battery life:15 hours