User's Manual
Table Of Contents
HF-A21 Embedded WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
2
TABLE OF CONTENTS
1. PRODUCT OVERVIEW ............................................................................................................... 6
1.1. General Specification ............................................................................................................. 6
1.2. Hardware Introduction ............................................................................................................ 7
1.2.1. Pins Definition .................................................................................................................... 7
1.2.2. Mechanical Size ................................................................................................................. 9
1.2.3. On-board Chip Antenna ..................................................................................................... 9
1.2.4. External Antenna ............................................................................................................. 10
1.2.5. Evaluation Kit ................................................................................................................... 10
1.2.6. Order Information ............................................................................................................. 12
1.3. Hardware Reference Design ................................................................................................ 12
1.3.1. Hardware Typical Application .......................................................................................... 12
1.4. Typical Application ............................................................................................................... 13
2. PACKAGE INFORMATION ....................................................................................................... 14
5.1 Shipping Information ............................................................................................................ 14
APPENDIX A: EVB REFERENCE DESIGN ................................................................................... 15
APPENDIX B: CONTACT INFORMATION ..................................................................................... 16