Quectel BG95 Series Hardware Design page 60

LPWA Module Series
BG95 Hardware Design
Figure 24: Coplanar Waveguide Line Design on a 2-layer PCB
Figure 25: Coplanar Waveguide Line Design on a 4-layer PCB (Layer 3 as Reference Ground)
Figure 26: Coplanar Waveguide Line Design on a 4-layer PCB (Layer 4 as Reference Ground)
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