[IC]：LLCC68

[Frequency]：850~930MHz

[Power]：

[Distance]：7km

[Interface]： SPI

[Weight]：1.5±0.1g

[Introduction]：E220-900m22s is an small module, self-developed based on the new generation of LoRa TM RF chip llcc68, produced by Semtech company. It is suitable for 868mhz and 915MHz LoRa TM wireless module and uses industrial 32mhz crystal oscillator