Technology Parameter 　 （Receiver）estrade （Emitter）in hand Carrier Wave Frequency：UHF800-860MHz Carrier Wave Frequency：UHF800-860MHz Frequency Stablity： 0.0001% Frequency Stablity： 0.001% (PLL number compound） (PLL number compound） Receive Statosspe：4/Uv Receive channel：16 channel Tone Distortion ratio：>80dB Frequency：10mV Doise Distortion ratio：>90dB Electric current ullage：<25mA Receive channel：16 channel Frequency Response：<40dB LCD info display Frequency modulation(FM) Audio output joint：equipoise three/uncounterpoise Capacitive tone arm：600?supercenter Output channels：1 line Battery：1.5V*2 Electrital Source：DC12V Antenna: hide type Antenna: standard high frequency 　 Exterior：210*135*45mm