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E22-400T22S LoRa spread spectrum UART LoRa solution RF low power consumption





[Introduction]:E22-400T22S is a wireless serial port module (UART) based on SEMTECH's LoRa solution radio frequency chip. It has a variety of transmission modes, working at 410.125MHz~493.125MHz, (default 433.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltages.