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The LORA 868 MHz / 915 MHz module E220-900T22D, powered by the LLCC68 chip, is a high-performance, long-range and low-power wireless communication solution designed for IoT, LPWAN, and remote sensor networks. Operating in the 868 MHz / 915 MHz ISM band with up to 22 dBm transmit power, it provides reliable connectivity over distances of up to 5 km line-of-sight, thanks to LORA spread-spectrum technology. It includes a UART TTL interface supporting 3.3 V / 5 V logic levels, making it easy to integrate with Arduino, ESP32, STM32 and other microcontrollers. The SMA connector supports external antennas, and its compact, rugged design ensures stable operation in industrial or outdoor environments.