Ebyte E28-2G4M12 Series, User Manual

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Chengdu Ebyte Electronic Technology Co., Ltd.
Manual
E28-2G4M12S User
Copyright ©2012–2020
，
Chengdu Ebyte Electronic Technology Co.,Ltd. 1
目录
目录
E28-2G4M12XX User Manual.............................................................................................................................................. 1
1. Overview................................................................................................................................................................... 2
1.1 Brief introduction.................................................................................................................................................... 2
1.2 Features....................................................................................................................................................................2
1.3 Application.............................................................................................................................................................. 2
2. Specification and parameter ...................................................................................................................................... 4
2.1 Limit parameter ....................................................................................................................................................... 4
3. Size and pin definition........................................................................................................................................................5
4. Basic operation................................................................................................................................................................... 7
4.1 Hardware design ......................................................................................................................................................7
4.2 Software editing .......................................................................................................................................................7
5. Basic application...............................................................................................................................................8
5.1 Basic circuit diagram...............................................................................................................................................8
6. FAQ....................................................................................................................................................................................8
6.1 Communication range is too short...........................................................................................................................8
6.2 Module is easy to damage ..................................................................................................................................... 10
6.3 BER(Bit Error Rate) is high.................................................................................................................................. 10
7. Production guidance ....................................................................................................................................... 10
7.1 Reflow soldering temperature............................................................................................................................... 10
9.2 Antenna selection .................................................................................................................................................. 12
Revision history..................................................................................................................................................13
About us.......................................................................................................................................................................13