- The E220-400MM22S is an advanced LoRa RF chip featuring a self-developed LLCC68 core, designed for ultra-compact applications. It operates effectively in the 433MHz and 470MHz frequency ranges, utilizing an industrial-grade 32MHz crystal oscillator. - Built on the original imported LLCC68, this module offers superior resistance to interference compared to traditional LoRa TM transceivers. Enhanced anti-interference performance and extended communication range make it a reliable choice for demanding environments. - Employing innovative LoRa TM modulation technology, this module significantly outperforms conventional FSK and GFSK modulations in terms of communication distance and resistance to interference. It is ideal for smart home applications, wireless metering, scientific research, and medium to long-range wireless communication devices, operating within a frequency range of 850 to 930 MHz. - The E220-400MM22S functions as a pure RF transceiver and requires power from an MCU or a dedicated SPI debugging tool, ensuring versatility in integration with various systems. Key Benefits: - Enhanced communication reliability with reduced interference - Compact size suitable for space-constrained applications - Wide frequency compatibility ensures flexibility in deployment Use Scenarios: - Smart home devices that require long-range communication capabilities and stability - Wireless metering systems for accurate and reliable data transmission in urban and rural settings - Scientific and medical research applications that need robust wireless communication over extended distances