[Frequency]：410.125~493.125MHz

[Power]：30dBm

[Distance]：8km

[Size]：24*43mm

[Weight]：11±0.2g

[Introduction]：E22-400T30D is a new lora (UART) module based on SEMTECH's LoRa solution. It has multiple transmission modes with operating frequencies of 410.125~493.125MHz, LoRa spread spectrum technology, TTL level output, and is compatible with 3.3V and 5V IO port voltages. .