Transmitter：
Frequency range: UHF 610-670MHz
Oscillator Mode: Phase Locked Frequency Synthesis
Harmonic radiation: <-80dBm
Maximum deviation range: ±45kHz
Microphone Type: Cardioid Dynamic
RF power output: 8mW; 8mW/15mW (optional)
Battery life: with large capacity rechargeable battery, long battery life
Receiver
Channel: dual channel (200 frequency points) /
single channel (100 frequency points)
Frequency stability: ±0.005%, phase loop frequency control
Carrier frequency band: UHF 610-670MHz
Modulation method: FM
Receiving range: 50 meters (in open environment)
Oscillator Mode: Phase Locked Frequency Synthesis
Sensitivity: 5dBμV, S/N>60dB, 25 deviation
Bandwidth: 60MHz
Total Harmonic Distortion.: <0.4%@1KHz
Frequency response: 65Hz~18KHz±3dB
Power supply: DC12V 1A
