Table of Contents
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Contents
Disclaimer ............................................................................................................................................................................... 2
Features ................................................................................................................................................................................... 3
1 Introduction ......................................................................................................................................................................... 4
1.1 Brief Introduction ..................................................................................................................................................... 4
1.2 Application ................................................................................................................................................................ 4
2 Specification and parameter ................................................................................................................................................ 5
2.1 Limit parameter ........................................................................................................................................................ 5
2.2 Operating parameter ................................................................................................................................................. 5
3 Size and pin definition ......................................................................................................................................................... 6
4 Basic operation .................................................................................................................................................................... 7
4.1 Hardware design ....................................................................................................................................................... 7
4.1 Programming ............................................................................................................................................................ 7
5 Basic Circuit Diagram ......................................................................................................................................................... 8
5.1 Hardware design and circuit schematic diagram ...................................................................................................... 8
6 FAQ ...................................................................................................................................................................................... 8
6.1 Communication range is too short ............................................................................................................................ 8
6.2 Module is easy to damage ........................................................................................................................................ 8
6.3 BER(Bit Error Rate) is high ..................................................................................................................................... 9
7 Guide for Soldering work .................................................................................................................................................... 9
7.1 Reflow soldering temperature .................................................................................................................................. 9
7.2 Reflow soldering curve ........................................................................................................................................... 10
8 E49 series ........................................................................................................................................................................... 10
9 Antenna recommendation .................................................................................................................................................. 10
9.1 Recommendation .................................................................................................................................................... 10
Revision history .................................................................................................................................................................... 12
About us ................................................................................................................................................................................ 12
Copyright ©2012-2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
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