PAN9420 Wi-Fi ModuleDesign Guide Rev. 1.0 Page 4Table of Contents1 About This Document......................................................................................................................... 51.1 Purpose and Audience .............................................................................................................. 51.2 Revision History ......................................................................................................................... 51.3 Use of Symbols ......................................................................................................................... 51.4 Related Documents ................................................................................................................... 52 Overview .............................................................................................................................................. 63 PAN9420 Module ................................................................................................................................. 73.1 Block Diagram ........................................................................................................................... 73.2 Footprint .................................................................................................................................... 83.3 Land Pattern .............................................................................................................................. 83.4 Pattern Recommendation .......................................................................................................... 93.5 Solder and Resist Mask ............................................................................................................. 93.6 Placement................................................................................................................................ 103.7 Power Supply .......................................................................................................................... 113.8 RF Path ................................................................................................................................... 114 PAN9420ETU (Easy-To-Use) ............................................................................................................ 144.1 PAN9420ETU Live View .......................................................................................................... 144.2 Functional Blocks .................................................................................................................... 154.3 Pinning..................................................................................................................................... 164.4 Part Placement ........................................................................................................................ 184.5 Schematic ................................................................................................................................ 194.6 PCB Layout ............................................................................................................................. 205 PAN9420 Arduino Shield .................................................................................................................. 225.1 PAN9420 Arduino Shield Live View ......................................................................................... 225.2 Functional Blocks .................................................................................................................... 235.3 Pinning..................................................................................................................................... 245.4 Part Placement ........................................................................................................................ 245.5 Schematic ................................................................................................................................ 255.6 PCB Layout ............................................................................................................................. 266 Cautions ............................................................................................................................................ 276.1 Life Support Policy ................................................................................................................... 277 Appendix ........................................................................................................................................... 287.1 Ordering Information ................................................................................................................ 287.2 Contact Details ........................................................................................................................ 29