Rockville VHF Wireless Dual Lavalier/Clip-On Microphone Mic System, RWM1204VC)

Rockville RWM1204VC VHF Wireless Dual Lavaliere/Clip-On Microphone Mic System High performance wireless microphone system Includes transmitter with (2) lavaliere microphones High sensitivity, unidirectional, wireless cardioid microphones Featuring a dual filter design to limit feedback and interference Transmitter automatically links to receiver for ease of use System Operating Range: 100-200(indoor), 65-165(outdoor) Frequency Range: 80MHz-12000MHz Dynamic Range: 110dB S/N: 90dB Operating Temperature: 14F-122F Frequency Stability: 0.005% Carrier Frequency Range: 180-280MHz Receiver Sensitivity: (S/N=30dB) >2mV De-Emphasis: 50S Audio Output Impedance: 600? Audio Output Level: 0-0.5V Power Supply: AC110V /50Hz Current Consumption: ?50mA Audio Out Connector: 1/4? unbalanced Transmitter Frequency Stability: 0.005% RF Output Power: ?30mW Modulation Mode: VHF Maximum Deviation Range: 50KHz Microphone Mode: Fixed Pre-Emphasis: 50S Power Supply: 9V Batt./1.5V? Current Consumption: ?35mA