E90-DTU(400SL44) 25W high power wireless digital radio station 40km long distance lora modem 433mhz rf transceiver rs232 rs485

[Introduction]：E90-DTU (400SL44) is a true high-quality industrial wireless data transceiver. The transceiver uses LORA spread spectrum technology. Its strong anti-interference ability makes wireless communication more stable and reliable in industrial sites, transparent RS232 / RS485 interface.