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

E83-2G4M03S-TB has been pre-soldered to E83-2G4M03S

3） 14 Target port Customizable（default 8888） 15 Network cache 512 Byte 16 Serial cache 512 Byte 17 Packaging mechanism 512 Byte 18 Serial port baud rate 1200 ～ 230400 bps（default 115200） 19 Data bit 5、6、7、8（default 8） 20 Stop bit 1、2（default 1） 21 Check Digit None、 Odd、Even、Mark、Space（default None） 22 Stream Control RTS/CTS、DSR/DTR、XON/XOFF、NONE（default NONE） 23 Size 82 mm * 84 mm * 25 mm （length*width*height） 24 Weight 126g ± 5g 25 Working temperature and humidity -40 ～ +85℃、5% ～ 95%RH（No condensation） 26 Storage temperature and humidity -40 ～ +105℃、5% ～ 95%RH（No condensation）

[Frequency]：868M

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)