Product Specs

4 PCB Design
Recommended weld plate size
figure 7. WLT5856A Package size reference
PCB layout Matters needing attention
Bluetooth is working 2.4GHz Under the frequency,Should try to avoid the impact of
various factors on the wireless transceiver, pay attention to the following points:
1. The part of the product enclosure that surrounds the module avoids the use of
metal, and if the enclosure is metallic, consider using an external antenna.
2. Metallic screws inside the product should be kept away from the RF part of the
module.
3. Module should be placed around the motherboard, the antenna part of the edge or
angle, the module antenna below the motherboard area does not allow copper
shop or alignment.
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