VHF Dual channels microphone

VHF Dual channels MIC AP-2012A Overall System Audio Frequency Range :80 12000Hz Dynamic Range :≥80dB System Distortion :≤0.5% Signal-to-Noise Ratio :≥100dB Operating Range :80-100M Operating Temperature Range :5°C 45°C Camier Frequency Range :180 280MHz Receiver Sensitivity(S/N=30dB):>2mV Image Rejection:>40dB De-Emphasis :50μS Audio Output Impedance :600Ω Audio Output Level :0 0.5V Power Supply :DC12V Current Consumption :<5W Dimensions :210×155×45mm Weight:Aprr.700g Transmitter Frequency Stability :±0.005% RF Output Power :≤30mW Spurious Rejection :>40dB Modulation Mode :FM Maximum Deviation Range :±25KHz Microphone Mode:Dynamic Pre-Emphasis :50μS Power Supply :DC9V Current Consumption :<35mA Dimensions :Φ53×235mm Weight:Aprr.175g(No Batt.)