[Frequency]：410.125～493.125MHz

[Power]：30dBm

[Distance]：10km

[Product weight]：5.7±0.1g

[Size]：25*40.5mm

[Introduction]：E22-400T30S is a wireless serial port module (UART) based on SEMTECH's LoRa solution. It has multiple transmission modes, LoRa spread spectrum technology, TTL level output, and is compatible with 3.3V and 5V IO port voltages.