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![Wireless Digital Transmission Radio CDEBYTE E90-DTU(400SL30L) Low Power RS485/TTL 30dBm 10km Modbus Slave Polling LoRa Radio Modbus [Frequency]：868M](https://cdn.shopify.com/s/files/1/0615/5911/1885/files/wireless-digital-transmission-radio-cdebyte-e90-dtu400sl30l-low-power-rs485ttl-30dbm-10km-modbus-slave-polling-lora-radio-1001714.jpg?v=1752564347)
![Wireless Digital Transmission Radio CDEBYTE E90-DTU(400SL30L) Low Power RS485/TTL 30dBm 10km Modbus Slave Polling LoRa Radio Modbus [Frequency]：868M](https://cdn.shopify.com/s/files/1/0615/5911/1885/products/wireless-digital-transmission-radio-cdebyte-e90-dtu400sl30l-low-power-rs485ttl-30dbm-10km-modbus-slave-polling-lora-radio-9162901.webp?v=1752564347)
![Wireless Digital Transmission Radio CDEBYTE E90-DTU(400SL30L) Low Power RS485/TTL 30dBm 10km Modbus Slave Polling LoRa Radio Modbus [Frequency]：868M](https://cdn.shopify.com/s/files/1/0615/5911/1885/products/wireless-digital-transmission-radio-cdebyte-e90-dtu400sl30l-low-power-rs485ttl-30dbm-10km-modbus-slave-polling-lora-radio-3794387.webp?v=1752564347)
[Frequency]：868M
The 433MHz sub-GHz frequency provides excellent diffraction capabilities
Parameter Specification RF Solution Semtech LoRa Frequency Range 410
Low power standby current consumption: 302uA @ 12V
Wireless Digital Transmission Radio CDEBYTE E90-DTU(400SL30L) Low Power RS485/TTL 30dBm 10km Modbus Slave Polling LoRa Radio Modbus [Frequency]：868MThe 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)
