Smart Machine Smart Decision
SIM7020_Hardware_Design_V1.02 32 2018-07-25
Figure 23: RF trace should be far away from other high speed signal lines
Avoiding the paroling rout of other system antennas nearly.
There should be some distance from The GND to the inner conductor of the SMA connector. It
is better to keep out all the layers from inner to the outer conductor.
Figure 24: The distance between GND to the inner conductor of SMA
GND pads around the ANT pad should not be hot pad to keep the GND complete.
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