Including the functions of the delegate unit, chairman unit has other following functions: Chairman microphone can turn on any time. If the system support video camera auto-track function, chairman microphone ID number should be 1 Priority function: chairman can turn off delegate microphones by clear key any time Chairman only mode: Delegate microphone can not be turned on again after chairman microphone press priority button. The chairman need quit this mode first, and then delegate microphone can be turned on again Technical parameter of wireless conference system microphone unit: Items Parameter Audio channel Transmission method UHF Wireless (one way) Audio channel 5 ( 1 chairman, 4 delegate) Carrier frequency band 500MHz~950MHz Modulation method FM Maximum modulation 60KHz Radiant power ≤ 9dBm Frequency deviation <0.002 Frequency response 50Hz-15KHz S/N Ratio >85dB T.H.D. <0.8% Data control channel Transmission method Wireless (two-way) Data channel 16 Frequency Range 422.4MHz ~ 438.4MHz Modulation method FSK Receiving sensitivity -100dBM Transmission consumption ≤6dBm Communication rate 100KBPS Frequency deviation <0.002 System Power supply DC3.7~4.5V Signal covering range Radius 60 meters Consumption Rating Standby: ≤360mWSpeaking: ≤630mW Operating temperature range -10-40 degree Dimensions 170×58×120mm N.W 0.7kg
