Quectel RM500Q-AE Manual page 58

5G Module Series
RM500Q-AE&RM502Q-AE Hardware Design
Microstrip or coplanar waveguide is typically used in RF layout for characteristic impedance control. The
following are reference designs of microstrip or coplanar waveguide with different PCB structures.
Figure 27: Microstrip Design on a 2-layer PCB
Figure 28: Coplanar Waveguide Design on a 2-layer PCB
Figure 29: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground)
RM500Q-AE&RM502Q-AE_Hardware_Design 58 / 83