Ebyte E22-400M22S User Manual
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Ebyte E22-400M22S User Manual

Sx1268 430/470mhz smd
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E22-400M22S User Manual
SX1268 433/470MHz SMD Wireless Module

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Summary of Contents for Ebyte E22-400M22S

  • Page 1 E22-400M22S User Manual SX1268 433/470MHz SMD Wireless Module...

  • Page 2: Table Of Contents

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual 目录 OVERVIEW 2 1.1 I ....................................2 NTRODUCTION 1.2 F ......................................2 EATURES 1.3 A ......................................2 PPLICATION SPECIFICATION AND PARAMETER 3 2.1 L ....................................3 IMIT PARAMETER 2.2 O ..................................3...

  • Page 3: Overview

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual 1. Overview 1.1 Introduction The E22-400M22S is based on the SX1268, a new generation of LoRa RF chip manufactured by Semtech, USA. It is an ultra-small and self- developed 433MHz, 470MHz SMD LoRa wireless module.

  • Page 4: Specification And Parameter

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual Health care products； Advanced Meter Reading Architecture(AMI)； Automotive industry applications. 2. Specification and parameter 2.1 Limit parameter Performance Main parameter Remark Min. Max. Voltage over 3.7V will cause permanent Power supply（V）...

  • Page 5: Size And Pin Definition

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual Communication interface 0-10Mbps Size 20* 14*2.8 mm Antenna IPEX/stamp hole 50 ohm impedance 3. Size and pin definition Name Direction Function Ground Ground Ground Ground Ground Input RF switch receiving control pin, connected to external microcontroller IO, valid in high level RXEN Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 6: Basic Operation

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual RF switch transmitting control pin, connected to external microcontroller IO or DIO2, valid in high Input TXEN level Input/Output Configurable universal IO port (see SX1262 manual for details) DIO2 Output Power supply, 1.8V~3.7V (it is recommended to add external ceramic filter capacitor)

  • Page 7: Software Programming

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual spread on the Top Layer of the module contact part(All copper-covered and well grounded), and must be close to the digital part of the module and routed in the Bottom Layer.

  • Page 8: Basic Application

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual 5. Basic application 5.1 Basic circuit 6. FAQ 6.1 Communication range is too short The communication distance will be affected when obstacle exists. Data lose rate will be affected by temperature, humidity and co-channel interference.

  • Page 9: Module Is Easy To Damage

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual 6.2 Module is easy to damage Please check the power supply and ensure it is within the recommended range. Voltage higher than the peak will lead to a permanent damage to the module.

  • Page 10: Reflow Soldering Curve

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual 7.2 Reflow Soldering Curve 8. Related Model Frequency Transmit Test Air Data Size Model Chip Packaging power dBm distance km rate E22-900T22S SX1262 868M 915M 16*26 UART E22-230T22S SX1262 230M 16*26...

  • Page 11: Antenna Type

    Chengdu Ebyte Electronic Technology Co., Ltd. E22-400M22S User manual 9. Antenna Type 9.1 Antenna recommendation The antenna plays an important role in the communication process. The inferior antenna often has a great impact on the communication system. Therefore, we recommend some antennas that support our wireless modules and have excellent performance and reasonable price.

  • Page 12: Revision History

    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: Innovation Center D347, 4# XI-XIN Road,Chengdu, Sichuan, China...

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