E90-DTU(400SL22) New SX1268 400-493MHz 22dBm LoRa long-range RS232/RS485 auto-repeater networking LBT RSSI transceiver Module [Frequency]:410.125~493.125MHz [Power]:22dBm [Distance]:5km [Interface]:RS232/RS485 [Weight]:128±5g [Introduction]:E90-DTU (400SL22) is a data transceiver with military-grade LoRa modulation technology....