... /RS485/TTL to wrieless. 10km range YS-C30H 5W 433Mhz RF moduleSpecifications * RF power: ≤5W /37dBm; * Receiving current: <30mA; * Transmitting current: <1 ... terminal: POS, PDA, PTZ; * RS-485 wire multi-drop system changeover wireless system; * Industrial Automation, PLC Control, Wireless Data Acquisition, SCADA; * Range ... antenna is 2m above ground in open area); 5W 433Mhz RF module, data radio