Data Sheet

Figure 5.3. Details of Antenna Ground Clearance
Figure 5.4. Details about Board Dimensions and Module Placement
Any metallic objects in close proximity to the antenna will distort the antenna's electromagnetic fields and cause the antenna center
frequency
to shift, reducing performance. The minimum recommended distance of metallic and/or conductive objects is 10 mm in any
direction from the antenna, except in the directions of the application PCB ground planes. Please note that even if nearby metallic ob-
jects do not shift the antenna's center frequency, they will still distort the radiation pattern and prevent the antenna from radiating freely.
Metals are opaque to radio frequencies and may create the equivalent of a shadow, a region of weaker performance, in the direction
covered by the metal.
UG384: WGM160P Hardware Design User’s Guide
Layout Recommendations
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