E90-DTU(230SL37) Lora sx1262 sx1268 230mhz 5w relé rssi rádio modem iot transceptor de dados sem fio rs232 rs485 37dbm para o plc [Frequency]:220.125~236.125MHz [Power]:37dBm [Distance]:20km [Interface]:RS232/RS485 [Weight]:253±5g [Introduction]:E90-DTU (230SL37) is...