Ebyte IOT E90-DTU(230SL37) sx1262 wireless transmission RS232/RS485 Modbus Industrial Wireless Communication Module [Frequency]:220.125~236.125MHz [Power]:37dBm [Distance]:20km [Interface]:RS232/RS485 [Weight]:253±5g [Introduction]:E90-DTU (230SL37) is a data transceiver with military-grade LoRa modulation technology. With multiple...