Product Info

NB-IoT Module Series
BC660K-GL Hardware Design
BC660K-GL_Hardware_Design
4-39
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Figure 21: Coplanar Waveguide Design on a 2-layer PCB
Figure 22: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground)
Figure 23: Coplanar Waveguide Design on a 4-layer PCB (Layer 4 as Reference Ground)
To ensure RF performance and reliability, the following principles should be complied with in RF layout
design: