Channel & Microphone: 2 Channel with 2 Microphone
Frequency control: Quartz lock
Receiving Frequency Range: VHF 190 - 220 MHz & 220 - 270 MHz
Maximum distance: 100 m
Maximum deviation degree: ± 15 KHz
Level limit frequency stability: 0.005% (at 25°C), S/N : > 100 dB, THD : < 0.5%
Audio frequency range: 80 Hz - 16 KHz
Harmonic interference: > 80 dB
Transmiter power: <= 10 mW
Microphone power: Cascading 9V battery