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use Sugru to enclose IOTF card. IOTF card is to use micro SD  interface to realize 2-way control between smart phone and other devices.

Step 1: Before Enclosing

We can see all pcb parts.

Step 2: After Enlosing

it covers all pcb parts.
<p>What is this PCB of? some sort of wireless thing as evidenced by the rainsun antenna</p>

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