... 1.5Km. CCTV LCD control keyboard, terminal is EIA/RS-485, control 128 PTZ set,max-range of 1.5Km ... multi-protocol: Pelco-D, Pelco-P, Pelco-D1, Pelco-P1, New.Maximum 1.5KM** (4900ft) long communication distance, ideal ... :MODELJK900Power supplyDC9V-12V, 500mACommunicationRS485ProtocolPelco-D, Pelco-P, Pelco-D1, Pelco-P1, NewBaud Rate1200, 2400, 4800, 9600, 19200Communication Distance1500m (4900ft) with ...