Receiver:
Radio frequency range: 640-690MHz
Modulation method: Digital frequency modulation
Available bandwidth: 300MHz per channel
Number of channels: 160 channels for automatic infrared frequency alignment
Frequency stability: ±0.005%
Dynamic range: > 110dB
Peak frequency offset: ±45KHz
Audio response: 60Hz-18KHz(±3dB)
Comprehensive signal-to-noise ratio: > 105dB
Comprehensive distortion: < 0.5%
Receiver mode: Secondary frequency conversion superheterodyne
Intermediate frequency: First intermediate frequency: 110MHz, Second intermediate frequency: 10.7MHz
Antenna interface: BNC socket
Sensitivity: 12dB(80dBS/N)
Noise reduction threshold: 0-40dB
Spurious suppression: > 80dB
Audio output: Unbalanced: +4dB(1.25V)/5KΩ Balanced: +10dB(2.5V)/600Ω
Power supply voltage: DC11-16V(rated12V)
Current: Single reception, less than 200mA;  Double reception, less than 350mA
Operating distance: ≥30 meters