E90-DTU(900L30)-V8 LoRa data transmission radio RS232/RS485 interface LoRa spread spectrum technology 868M wireless communication radio communication terminal [Interface type]:RS232/RS485 [Operating frequency]:862~930MHz [Transmitting power]: 1W [Communication distance]: 8km [Product size]:82*62*25mm [Introduction]:E90-DTU(900L30)-V8 is...