Function-Noise Cancelling, PORTABLE Polar Pattern -Cardioid Type-Single Channel FrequencyStability-+0.0005% Modulation Mode-FM Operating Range-SOM typical (inopen space) Sensitivity->105dBT. H.D-<0.4%@1KHz Frequency response-45Hz”18K Hz 13dB RF Power Output-8mW/12mW(Selectable)