[Transmission power]：33dBm

[Communication distance]： 12km

[Product size]：25*40.5mm

[Introduction]：E22-230T33S is a wireless serial port module (UART) based on SEMTECH's SX1262 RF chip. It has multiple transmission modes, working in the 220.125MHz~236.125MHz, (default 230.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage