[Frequency]：900~931MHz

[Power]：20dBm

[Distance]：3.0km

[Interface]：RS232/RS485

[Weight]：127±5g

[Introduction]：Based on SX1276 chip from SEMTECH, E44-DTU-1W with RS232/RS485 interface, 8V~28V, operating at 900~931MHz features LoRa spread spectrum. It features LoRa long range transmission and effective FEC. Transparent transmission is available. It supports data encryption & compression.