Trasmiter 
Operating voltage : DC 12 2A
Audio Outputs voltage : 1V
Interference suppression : >60dB
Trasmitting power : >+10dBM (10MV)
SNR:S/N : >100dB
Distortion THD <0.01%

Receiver
1 chairman unit
5 Delegate unit
Polar Pattern : Cardioid
Sensitivity : -100dBM
Effective Distance : 60-80M straight line without block
Audio Response : 50Hz – 15KHz