[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. 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.