E90-DTU(400SL22) New SX1268 400-493MHz 22dBm LoRa long-range RS232/RS485 auto-repeater networking LBT RSSI transceiver Module

[Introduction]：E90-DTU (400SL22) is a data transceiver with military-grade LoRa modulation technology. With multiple transmission modes, it works in the (410.125~493.125MHz) frequency band (Default 433.125MHz). The transceiver provides transparent RS232/RS485 interface and supports 8~. 28V voltage input.