... 5Km. CCTV LCD control keyboard, terminal is EIA/RS-485, control 128 PTZ set,max-range of 1 ... LCD display board is more intuitionist, convenient, each to understand, plentiful information, etc.In-built multi-protocol ... 1.5KM** (4900ft) long communication distance, ideal for applications where a Gate House or Security Lodge is ... from the installed unit.Can be combined to control the PTZ camera with a Stand ...