Feature:

Transmitter(Headset Microphone)

l         Frequency response: 80--12000Hz

l         Dynamic range:≥60db

l         Distortion:≤1%  

l         S/N.:≥60db 

l         Distance: Approx. 50m

l         Operation temperature:5℃--45℃

l         Carry frequency range :180--280MHz

l         Power supply:1.5V AA battery

l         Mute control: noise lock

Receiver

l         Flexibility: >2mV

l         Spurious Rejection:>40dB

l         de-emphasis：50μS

l         Audio output impedance: 600Ω

l         Audio output level ：0--0.5V 

l         Power supply: DC 9V  AAA battery

l         Power consumption: 1W