User's Manual

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Interface Definition
Key Specialty
¾ Size 25.0×17.5mmthickness 2.8mmStamp hole packagingͺ
¾ PCB antennaͺ
¾ 3.3V power supplycan supply 1 UART interface, 1 SPI-Slave interface8 GPIO interface澞
Picture 1-W1 Front View