The module usually connects to the host board via a high-density board-to-board connector (often a 60-pin or 70-pin header). The pins are logically grouped as follows:

Because the WLX-896B is a generic OEM design, you will not find a single authoritative datasheet. Here is a professional strategy:

If you have obtained a blurry image of the Wlx-896b schematic from a forum, here is how to decode it:

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