... -built multi-protocol: Pelco-D, Pelco-P, Pelco-D1, Pelco-P1, New.Maximum 1.5KM** (4900ft) long communication distance, ideal for ... :MODELJK900Power supplyDC9V-12V, 500mACommunicationRS485ProtocolPelco-D, Pelco-P, Pelco-D1, Pelco-P1, NewBaud Rate1200, 2400, 4800, 9600, 19200Communication Distance1500m (4900ft) with twisted ...