... AMR) and home automation ;* Wireless smart terminal: POS, PDA, PTZ* Wireless electronic display screen, LED display;* Wireless remote control, Environment monitor, ... -485 wire multi-drop system changeover wireless system;* Industrial automatic data collection, Wireless Data Acquisition, Wireless sensor, SCADA;4. Setting of channel ... 0325MHZ 7 435.0325MHZ 8 436.0325MHZ 50mw 800m Tx,Rx module YS-C20UB