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Related Manuals for Ebyte E19 Series
Summary of Contents for Ebyte E19 Series
- Page 1 E19-900M20S2 User Manual SX1276 868/915MHz 100mW SPI SMD RF Module...
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Page 2: Table Of Contents
6.3 BER(Bit Error Rate) is high............................10 7 Soldering Guide................................. 11 7.1 Reflow Soldering Temperature..........................11 7.2 Reflow Soldering Curve............................11 E19 Series Modules................................12 9 Antenna Recommendation..............................12 9.1 Recommendation..............................12 Revision history..................................13 About us....................................13 Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 3: Disclaimer
E19-900M20S2 User Manual Disclaimer EBYTE reserves all rights to this document and the information contained herein. Products, names, logos and designs described herein may in whole or in part be subject to intellectual property rights. Reproduction, use, modification or disclosure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited. -
Page 4: Introduction
Smart home and industrial sensors, etc.; Security system, positioning system; Wireless remote control, UAV; Wireless game remote control; Healthcare products; Wireless voice, wireless headset; Automotive industry applications. Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 5: Specification And Parameter
18.5 The sensitivity test condition is airspeed Receiving sensitivity（dBm） -145 -147 -148 0.3kbps, Coding rate 4/5, spreading factor 12 LoRa（bps） 0.018 37.5 User programmable customization Air data rate GFSK（bps） User programmable customization （bps） Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd. - Page 6 Maximum length of single transmission Crystal frequency 32MHz LoRa Modulation FSK, GFSK, MSK, GMSK, LoRa TM, OOKTM (recommended) Packaging method Interface method 1.27mm Communication Interface 0～10Mbps Dimensions 15*15mm Antenna interface Stamp hole Equivalent impedance is about 50Ω Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd.
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Page 7: Size And Pin Definition
Input Chip reset trigger input pin, active low Ground wire, connected to the power reference ground Ground wire, connected to the power reference ground antenna Ground wire, connected to the power reference ground Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 8: Basic Operation
The antenna must not be installed inside the metal shell, which will greatly reduce the transmission distance. Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 9: Programming
The SPI communication rate should not be set too high, usually 1Mbps is recommended; The register configuration can be reinitialized when the chip is idle for higher stability. 5 Programme Diagram 5.1 Connection for Programming Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 10: 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 ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 11: Soldering Guide
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 6 minutes max 8 minutes max 25℃ 7.2 Reflow Soldering Curve Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 12: E19 Series Modules
915M SMA-J Bendable glue stick, TX915-JK-11 Plastic Rubber omnidirectional antenna 915M SMA-J Bendable glue stick, TX915-JK-20 Plastic Rubber omnidirectional antenna 915M Small Magnet Base, high TX915-XPL-100 Magnet Base SMA-J cost performance Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 13: 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 ext. 821 Web: www.ebyte.com Address:Building B5, Mould Industrial Park, 199# Xiqu Ave, West High-tech Zone, Chengdu, 611731, Sichuan, China...