SAM-M8Q - Hardware Integration Manual
UBX-16018358 - R05 Production Information Design
Page 12 of 23
2.5 Embedded antenna operation
The embedded GPS/Galileo/GLONASS patch antenna provides optimal performance in the middle of a 50 x 50
mm ground plane.
Figure 7: 1.575 GHz typical free space radiation patterns
Tall nearby components (h > 3 mm) should be placed at least 10 mm away from the SAM-M8Q module. An
enclosure or plastic cover should have a minimum distance of 5 mm to the antenna.
Placement near a human body (or any biological tissue) can be acceptable by keeping a minimum distance of 10
mm between motherboard and the body. With smaller distances to the body, the radiation efficiency of the
antenna will start to reduce due to signal losses in biological tissue.
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