WE866E4-P Module Hardware User Guide
1VV0301487 Rev. 1.2 38 2018-07-27
PRELIMINAR
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Figure 9 Solder Pads on PCB
9.3 PCB Pad Dimension
It is not recommended to place or micro-via not covered by solder resist in an area of 0.3
mm around the pads unless it carries the same signal of the pad itself. Holes in the pad are
allowed only for blind holes and not for through holes. Figure 10, page 38 shows the Pad
dimension:
Figure 10 Solder Resist Pattern-Top View
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