A paging microphone with call station base, to be used with the RZ45 audio matrix to create a comprehensive paging system. Zone assign buttons enable intuitive calling to any combination of up to 5 zones, with the Page button accordingly muting audio playback in those areas for clear vocal announcements. There is a choice of 8 paging chimes, and an AUX audio input for pre-recorded messages and alerts. Includes an RJ45 patch cable to connect the mic and audio matrix, conveniently passing signal and power via one CAT5 lead.Power supply: 24Vdc, 500mA from RJ45 or optional adaptorvbCrLfMax. connection length: 100m (CAT5 cable) or 1km with optional 24Vdc adaptorvbCrLfCapsule: Back electret condenservbCrLfPolar pattern: CardioidvbCrLfControls: Aux/Mic/Chime levels, chime DIP switches, zone/page buttonsvbCrLfConnectors: XLR, RJ45 to RZ45, 24Vdc power jack, 3.5mm aux invbCrLfFrequency response : -3dB: 150Hz - 22kHzvbCrLfInput level: Mic: -46dBV, Aux: -10dBVvbCrLfInput impedance: Mic: 600 Ohms, Aux: 50k OhmsvbCrLfOutput level: 10dBVvbCrLfOutput impedance : balanced: 600 OhmsvbCrLfS/N ratio: -60dB (all channels selected)vbCrLfInterface: RS-485 controlvbCrLfZone assign: 5 zones, any combinationvbCrLfDimensions: 460 x 140 x 115mmvbCrLfWeight: 670g