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Ebyte E30-400M30S(4438) Manual
Ebyte E30-400M30S(4438) Manual

Ebyte E30-400M30S(4438) Manual

Si4438 400mhz 1w spi wireless module

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E30-400M30S(4438)
SI4438 400MHz 1W SPI Wireless Module

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Summary of Contents for Ebyte E30-400M30S(4438)

  • Page 1 E30-400M30S(4438) SI4438 400MHz 1W SPI Wireless Module...
  • Page 2: Table Of Contents

    ..............................9 RROR IS HIGH 7 PRODUCTION GUIDANCE ........... 9 8 E30 SERIES ..............9 9 ANTENNA RECOMMENDATION ..........10 10 PACKAGE METHOD FOR BULK ORDER ........10 REVISION HISTORY ............11 ABOUT US ..............11 Copyright ©2012–2024,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 3: Disclaimer

    E30-400M30S(4438) 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: Overview

    Home security alarm and remote keyless entry; Smart home and industrial sensors, etc.; Wireless alarm security system; Building automation solutions; Wireless industrial-grade remote control; Intelligent agriculture and oilfield solutions; Health care products; Advanced Meter Reading Architecture(AMI); Automotive industry applications. Copyright ©2012–2025,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 5: Specification And Parameter

    Reference distance 5.6Km antenna height: 2.5m,air data rate: 1kbps Modulation GFSK Crystal frequency 26MHz Built-in passive crystal Communication Interface Max. rate 10Mbps Package Interface method Stamp Hole Size 38.5*24mm Antenna IPEX/STAMP 50 ohm impedance Copyright ©2012–2025,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 6: Size And Pin Definition

    Configurable universal GPIO1 port (see SI4438 manual for details) Output SPI interrupt request Shutdown Input Pin. It is low level when working (See SI4438 manual for more details) Output SPI master output slave input MISO Copyright ©2012–2025,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 7: Recommended Circuit Diagram

    It is recommended to use a DC stabilized power supply. The power supply ripple factor is as small as possible and the  module needs to be reliably grounded; Please pay attention to the correct connection of the positive and negative poles of the power supply, reverse connection  Copyright ©2012–2025,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 8: Faq

    Power register was set incorrectly or air data rate is set as too high (the higher the air data rate, the shorter the distance); The power supply low voltage under room temperature is lower than our recommendation, the lower the voltage, the lower the transmitting power; Due to antenna quality or poor matching between antenna and module. Copyright ©2012–2025,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 9: Module Is Easy To Damage

    SI4438 433/470M 14 * 20 IPEX/STAMP 500kbps 100bps~ E30-400M20S(4463) SI4463 433/470M 14 * 20 IPEX/STAMP 1Mbps 100bps~ E30-900M20S SI4463 868/915M 14 * 20 IPEX/STAMP 1Mbps 100bps~ E30-400M30S(4438) SI4438 433/470M 24 * 38.5 IPEX/STAMP 500kbps Copyright ©2012–2025,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 10: Antenna Recommendation

    IPEX 1 Cost-effective TX433-PCB-3207 433M IPEX 1 PCB antenna, TX433-FPC-4516 433M IPEX 1 Cost-effective IPEX 1 TX433-FPC-3208 433M Cost-effective Rubber antenna for cabinet, TX470-JZLW-15 Rubber 470MHz IPEX 1 omnidirectional 10 Package method for bulk order Copyright ©2012–2025,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 11: Revision History

    Example Modify the description of the airspeed error About us Technical support: support@cdebyte.com Documents and RF Setting download link: www.cdebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------- Phone: 4000-330-990 Web: www.cdebyte.com Address: F/2 B2 Building Mould Park, 199# Xiqu Ave, High-tech District, Sichuan, China Copyright ©2012–2025,Chengdu Ebyte Electronic Technology Co.,Ltd.