FM Wireless Intercom (430-0227) Specifications Faxback Doc. # 8745 Power Supply...............................................120 volts, 60 Hz Power Consumption..............................................5 Watts Max. Speaker Impedance...................................................16 Ohms Output Reference Level................................................50 mW Carrier Frequency...................................................200 kHz Input level...........................................................20 mV (RLR-01\04\94) X