M-939 microphone

M-939 microphone
 

Product description:

Detailed product description
M-939 the microphone:
Frequency range: 110~120MHz
? Frequency stability: ± 0.005%
? Modulation mode: FM
? Maximum frequency deviation: ± 75KHz
? Audio response: 100~10000Hz
? S/n ratio: ≥ 60dB

Dynamic range: 60dB
? System distortion: ≤ 1%
? Uses a distance: 30m
? Working temperature 10 ℃ ~ 50℃
? Working voltage: 1.5V