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Ebyte E49-400M20S4, Manual

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Copyright ©2012–2021

，

Chengdu Ebyte Electronic Technology Co.,Ltd.

1

Disclaimer...............................................................................................................................................................................

Features...................................................................................................................................................................................

1 Introduction.........................................................................................................................................................................

1.1 Brief Introduction.....................................................................................................................................................

1.2 Application................................................................................................................................................................

2 Specification and parameter................................................................................................................................................

2.1 Limit parameter........................................................................................................................................................

2.2 Operating parameter.................................................................................................................................................

3 Size and pin definition.........................................................................................................................................................

4 Basic operation....................................................................................................................................................................

4.1 Hardware design.......................................................................................................................................................

4.1 Programming............................................................................................................................................................

5 Basic Circuit Diagram.........................................................................................................................................................

5.1 Hardware design and circuit schematic diagram......................................................................................................

6 FAQ......................................................................................................................................................................................

6.1 Communication range is too short............................................................................................................................

6.2 Module is easy to damage........................................................................................................................................

6.3 BER(Bit Error Rate) is high.....................................................................................................................................

7 Guide for Soldering work....................................................................................................................................................

7.1 Reflow soldering temperature..................................................................................................................................

7.2 Reflow soldering curve...........................................................................................................................................

8 E49 series...........................................................................................................................................................................

9 Antenna recommendation..................................................................................................................................................

9.1 Recommendation....................................................................................................................................................

Revision history....................................................................................................................................................................

About us................................................................................................................................................................................

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Summary of Contents for E49-400M20S4

Page 1: ...Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd E49 400M20S4 CMT2300A 433 470MHz SMD UART Wireless Module...

Page 2: ...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...

Page 3: ...duction use modification or disclosure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited The information contained herein is provided...

Page 4: ...oftware multi level adjustable Support the global license free ISM 433MHz band Support the data transmission rate of 0 5Kbps 300Kbps Support low power consumption mode suitable for battery application...

Page 5: ...aximum transmit power of 20dBm and users can set a lower output power to save power consumption The module works in the 433 470MHz frequency band With small size and low power consumption Since this m...

Page 6: ...ameter Performance Remark Min Type Max Operating voltage V 1 8 3 3 3 6 Over 3 6V may permanently burn the module Communication level V 3 3 Operating temperature 40 85 Industrial grade Operating freque...

Page 7: ...2300A manual for details 3 GPIO2 Input Output See CMT2300A manual for details 4 GPIO3 Input Output See CMT2300A manual for details 5 VCC Input Output Power supply 1 8V 3 6V 6 NC 7 SDIO Input Output SP...

Page 8: ...dule and routed in the Bottom Layer Assuming the module is soldered or placed over the Top Layer it is wrong to randomly route over the Bottom Layer or other layers which will affect the module s spur...

Page 9: ...testing near the sea The signal will be affected when the antenna is near metal object or put in a metal case Power register was set incorrectly air data rate is set as too high the higher the air da...

Page 10: ...der quality are poor or too long so the bit error rate is high 7 Guide for Soldering work 7 1 Reflow soldering temperature Profile Feature Curve characteristics Sn Pb Assembly Pb Free Assembly Solder...

Page 11: ...0A 410 450MHz 20 2 5 26 16 SMD UART E49 400T20D CMT2300A 410 450MHz 20 2 5 36 21 DIP UART E49 400M20S CMT2300A 410 450MHz 20 2 5 20 14 SMD SPI 9 Antenna recommendation 9 1 Recommendation The antenna i...

Page 12: ...33M 3 210mm SMA J Flexible omnidirectional TX433 JK 11 Rubber antenna 433M 2 5 110mm SMA J Flexible omnidirectional TX433 XP 200 Sucker antenna 433M 4 19cm 200cm SMA J High gain TX433 XP 100 Sucker an...

Page 13: ...on Linson 1 1 2021 6 23 Error correction Linson About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you for using Ebyte products Please contact us...

Page 14: ...E49 400M20S4 Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 13...

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