Wireless Digital Transmission Radio CDEBYTE E90-DTU(400SL30L) Low Power RS485/TTL 30dBm 10km Modbus Slave Polling LoRa Radio Modbus [Function]：E22-900M22S Development Evaluation Kit

[Function]：E22-900M22S Development Evaluation Kit

[Frequency]：868M

3 standard

What maximum quantity of ME31 modules can be cascaded on one RS485 bus

Receiving current 12 13 14 mA - Sleep current 1

Wireless Digital Transmission Radio CDEBYTE E90-DTU(400SL30L) Low Power RS485/TTL 30dBm 10km Modbus Slave Polling LoRa Radio Modbus [Function]：E22-900M22S Development Evaluation KitThe Ebyte E90 DTU (400SL30L) is an industrial grade 30dBm LoRa wireless data transmission radio working at 410. 125 to 493. 125MHz with Semtech LoRa spread spectrum technology, delivering up to 10km long range serial communication via RS485 and 3. 3V TTL ports, supporting 8 to 28V DC or 4. 2V lithium battery power with reverse constant current charging, Modbus slave polling, and 302uA low power standby mode. Specification DC Powered Mode (8 28V DC)