Service Guide
Table Of Contents
- Safety Information
- About the Document
- Contents
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Overview
- 3 Operating Characteristics
- 4 Application Interfaces
- 5 Antenna Interfaces
- 6 Electrical Characteristics & Reliability
- 7 Mechanical Information
- 8 Storage, Manufacturing & Packaging
- 9 Appendix References
LTE Standard Module Series
EG915U_Series_Hardware_Design 59 / 91
Figure 30: Coplanar Waveguide Design on a 2-layer PCB
Figure 31: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground)
Figure 32: Coplanar Waveguide Design on a 4-layer PCB (Layer 4 as Reference Ground)
To ensure RF performance and reliability, follow the principles below in RF layout design: