Related Manuals for Ebyte E49-400M20S
Summary of Contents for Ebyte E49-400M20S
- Page 1 Chengdu Ebyte Electronic Technology Co.,Ltd. E49-400M20S User Manual E49-400M20S Usermanual CMT2300A 433MHz/470MHz SMD Module Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
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Page 2: Table Of Contents
6.3 BER(Bit Error Rate) is high..........................9 7.0 Guide for Soldering work............................10 7.1 Reflow soldering temperature........................10 7.2 Reflow soldering curve...........................10 8.0 Similar Products with CMT2300A.........................11 9.0 Recommendation for Antennas..........................11 Revision history................................12 About us..................................12 Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co.,Ltd. - Page 3 Chengdu Yibaite Electronic Technology Co., Ltd. does not guarantee that the content of this manual is completely free of errors, and all statements, information and Suggestions in this manual do not constitute any express or implied warranty. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
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Page 4: Overview
E49-400M20S is a cost-effective wireless data transmission module launched by Chengdu Ebyte. It is a pure hardware module based on CMT2300A. E49-400M20S supports a maximum transmit power of 20dBm, and users can set a lower output power to save power consumption. The module works in the 410MHz ~ 510MHz frequency band, covering the commonly used 433MHz and 470MHz frequency bands.Since... -
Page 5: Specification And Parameter
Clear and open, antenna height 2.5 meters, air rate 2.4kbps Crystal frequency 26MHz Packaging method Communication Interface Dimensions 20*14mm RF interface IPEX/stamp hole Equivalent impedance is about 50Ω product weight 1.2±0.1g Clear and open, antenna height 2.5 meters, air rate 2.4kbps Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 6: Size And Pin Definition
Chip select for SPI access to FIFO Ground wire, connect to power reference ground Ground wire, connect to power reference ground Module RF stamp hole interface, equivalent impedance is about 50Ω Ground wire, connect to power reference ground Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 7: Hardware And Software Notice
The chip of this module is CMT2300A, and its driving mode is SPI, and users can operate according to the CMT2300A chip Datasheet. GPIO1/GPIO2/GPIO3 are general-purpose I/O ports, see CMT2300A Datasheet for details. Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 8: Basic Circuit Diagram
Chengdu Ebyte Electronic Technology Co.,Ltd. E49-400M20S User Manual 5.0 Basic Circuit Diagram Chart 5-1 circuit diagram Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 9: Faq
Poor power supply may cause messy code. Make sure that the power supply is reliable. The extension line and feeder quality are poor or too long, so the bit error rate is high; Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 10: Guide For Soldering Work
230-250℃ Aveage ramp-down rate（Tp to Tsmax） Aveage ramp-down rate 6℃/second max 6℃/second max Time to peak temperature for Time 25℃ to peak temperature max 6 minutes max 8 minutes 25℃ 7.2 Reflow soldering curve Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 11: Similar Products With Cmt2300A
The antenna is very important for the RF module, and the antenna performance will have a great impact on the communication system. Therefore, we recommend you below antennas which are suitable for Ebyte modules with excellent performance and reasonable price: Please search the model and see more antenna details on:http://www.ebyte.com/en/product-class.aspx?key=TX... -
Page 12: Revision History
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 with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------------------ Fax: 028-64146160 Web: www.ebyte.com Address: B5 Mould Industrial Park, 199# Xiqu Ave, High tech Zone, Chengdu, Sichuan, China...