Ebyte E22-400M22S - Default Chapter; Table of Contents

Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
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Contents
1. OVERVIEW....................................................................................................................................................................... 2
1.1 INTRODUCTION.............................................................................................................................................................. 2
1.2 FEATURES......................................................................................................................................................................2
1.3 APPLICATION................................................................................................................................................................. 3
2. SPECIFICATION AND PARAMETER............................................................................................................................ 3
2.1 LIMIT PARAMETER......................................................................................................................................................... 3
2.2 OPERATING PARAMETER................................................................................................................................................3
3. SIZE AND PIN DEFINITION........................................................................................................................................... 4
4. BASIC OPERATION......................................................................................................................................................... 6
4.1 HARDWARE DESIGN...................................................................................................................................................... 6
4.2 SOFTWARE PROGRAMMING............................................................................................................................................7
5. FAQ.....................................................................................................................................................................................7
5.1 COMMUNICATION RANGE IS TOO SHORT....................................................................................................................... 7
5.2 MODULE IS EASY TO DAMAGE....................................................................................................................................... 8
5.3 HIGH BIT ERROR RATE................................................................................................................................................... 8
6. WELDING OPERATION GUIDANCE.............................................................................................................................8
6.1 REFLOW SOLDERING TEMPERATURE............................................................................................................................. 8
6.2 REFLOW SOLDERING CURVE......................................................................................................................................... 9
7. RELATED MODEL........................................................................................................................................................... 9
8. ANTENNA TYPE..............................................................................................................................................................10
8.1 ANTENNA RECOMMENDATION......................................................................................................................................10
9. BATCH PACKAGING.....................................................................................................................................................11
REVISION HISTORY.......................................................................................................................................................... 11
ABOUT US...........................................................................................................................................................................11