Technical Parameter

Frequency Range: UHF 610-690MHz
Frequency Response: 40Hz -20kHz
Frequency Stability:+0.005%
Dynamic Range: > 90dB
Total Harmonic Distortion: <0. 5%
Audio Output Balance: 0-+500mV
  
Receiver 
Power consumption:3W
S/N Ratio: > 98dB
P/N Ratio: > 80dB
F/N Ratio: > 80dB
Receive sensitivity: 5dBu
Battery: Rechargeable Li-Polymer Battery: 3.7V, 400mAh
  
Transmitter
Transmitter Power: 10mW
Modulation Mode: FM
Maximum Deviation: +45KHz
High Harmonics: <- 55dBc
Battery Voltage: AA 1.5Vx2