WE866E4-P Module Hardware User Guide
1VV0301487 Rev. 1.2 37 2018-07-27
PRELIMINAR
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Figure 8, page 37 shows the top view of Solder resist pattern.
Figure 8 Solder Resist Pattern-Top View
9.2 PCB Pad Design
Non-Solder Mask Defined (NSMD) type is recommended for the solder pads on the PCB.
Figure 9, page 38 shows the PCB pad design.