[Frequency]:410.125~493.125MHz
[Power]:22dBm
[Distance]:5km
[Size]:21*36mm
[Weight]:6.7±0.2g
[Introduction]:E22-400T22D is a wireless serial port module (UART) based on SEMTECH LoRa solution. It has a variety of transmission modes, working at 410.125MHz~493.125MHz, frequency (default 433.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage.