[Size]：30 * 51 mm

[Communication distance]：10km

[Transmit power]：30dBm

[Product weight]：7.7±0.1g

[Frequency]：410.125～493.125MHz

[Introduction]：E22-400T30E is a new generation of LoRa wireless module. It is a wireless serial port module (UART) based on SEMTECH's LoRa solution. It has multiple transmission methods, works in the (410.125~493.125MHz) frequency band (default 433.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage.