Portable table moving and microphone pipe can be pull out. Extended pipe option. Electric capacity type microphone, equipped with windshield cover LCD display microphone ID, battery level, microphone state, control channel, etc. Equipped with microphone on/off key and indicator. Equipped with 3 function keys to set microphone id, control channel, volume level and battery status. Microphone will shut off the power or in standby if receiver powered off. 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
