[Frequency]：850.125~930.125MHz

[Power]：22dBm

[Distance]：5km

[Interface]：Ethernet

[Weight]：130±5g

[Introduction]：E90-DTU(400SL22-ETH)-V2.0 Provides four working modes, TCP Server, TPC Client, UDP Server, and UDP Client. It also supports two-way SOCKET work.The shell adopts three-proof coating, which is Anti-Fungal, Anti-Humidity, and Anti-Salt Spray.Wireless communication adopts LoRa direct sequence spread spectrum technology, which will bring longer communication distance and has the advantages of concentrated power density and strong anti-interference ability.