Ebyte E103-W20 User Manual
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Ebyte E103-W20 User Manual

Ebyte E103-W20 User Manual

Wifi module
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User Manual
E103-W20 WIFI Module
Based on MediaTek MT7688AN/ MT7628AN

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Summary of Contents for Ebyte E103-W20

  • Page 1 User Manual E103-W20 WIFI Module Based on MediaTek MT7688AN/ MT7628AN...

  • Page 2: Table Of Contents

    7.1 Reflow soldering temperature ..........................19 7.2 Reflow soldering profile ............................20 8 Antenna Options ................................20 9 Packing details ................................. 21 Revision History ................................. 21 About us ....................................22 Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 3: Disclaimer And Copyright Notice

    Technology Co., Ltd. reserves the right to modify the contents of this manual without any notice or prompt. This manual is only used as a guide . Chengdu Ebyte Electronic Technology Co., Ltd. does its best to provide accurate information in this manual. However, Chengdu Ebyte Electronic Technology Co., Ltd. does not ensure that the contents of the manual are completely error-free.

  • Page 4: Overview

    1 Overview 1.1 Product introduction The E103-W20(7688) and E103-W20(7628) modules are low-cost and low-power IoT modules based on MediaTek MT7688AN and MT7628AN. This module brings out all the interfaces of MT7688AN/MT7628AN, supports OpenWrt operating systems and custom development, has rich interfaces and powerful processors, can be widely used in smart devices or cloud service applications, etc., and can freely perform two secondary development.

  • Page 5: Application Scenarios

    180± 50 Average power consumption ≥1000 Supply Current Requirements Operating -20 to +5 5 _ temperature temperature ° C Storage -40 to +8 5 temperature humidity 10 to 95(non-condensing) Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 6: Hardware Parameters

    2. The OPENWRT program or the original MTK Linux program can be programmed according to the actual usage. 3. The default baud rate of the serial port is 57600 bps. Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 7: Mechanical Dimensions And Pin Definition

    Chengdu Ebyte Electronic Technology Co., Ltd. E103-W02 User Manual 3 Mechanical Dimensions and Pin Definition Figure 1Dimensions of E103-W20(7688) Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 8 REF_CLKO Reference clock output undefined, please leave blank Undefined, please leave it in the air, cannot be PERST_N PCIe device reset output pulled down Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 9 Serial port 0 input, please leave it in the air Serial 0 data input WLED_N WIFI LED, active low When there is a WIFI signal, the WIFI LED flashes Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 10 PORT4 network signal sending is MDI_TP_P4 positive MDI_TN_P PORT4 network signal send negative USB_DP USB data positive undefined, please leave blank USB_DM USB data negative undefined, please leave blank land ground Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 11: Wifi Protocol Features

    -87.5 4.2 802.11g 54M 802.11g Transmit(Conductive) Item Condition Min. Typ. Max. Unit Frequency Range Channel 1 Channel 13 Tx Power Level Frequency Tolerance Modulation Accuracy All Data Rate Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 12: 802.11N Mcs7(Ht20)

    Frequency Range Channel 1 Channel 13 Tx Power Level OFDM 15.0 17.0 19.0 Frequency Tolerance Modulation Accuracy All Data Rate 802.11n_HT40 Receiver(Conductive) Item Condition Min. Typ. Max. Unit Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 13: E103-W20 For Secondary Development

    （2）After downloading, there are two compressed files in 7zip format. After selecting these two files, use 7zip to extract them to the current location. (3) Use vmware to open ubuntu Virtual machine username: luke password: luke Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 14 There is already a default configuration in the SDK, which meets the basic functions of routing. Customers can also customize the configuration according to their own needs. Command: make menuconfig Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 15 Kmod-mt7628sta cannot be used, please do not select it, if you need sta function, please select ap-client support under kmod-mt7628 driver Use the command make V= s The compilation results are saved in the bin/ramips/ directory Generate firmware name: openwrt-ramips-mt7628-mt7628-squashfs-sysupgrade.bin Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 16: Firmware Burning

    ③ After selecting, click Flash image ④ Enter the verification, click proceed to start burning ⑤Wait about a minute or so, the module indicator lights up and the programming is complete Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 17: Use Uboot To Burn

    ② Enter the IP address in the above picture in the browser, you can jump to the burning interface; here you can choose to burn uboot, openwrt firmware, factory parameters Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 18 ③ Here is an example of upgrading openwrt, first select the bin file we need to burn, then click update firmware to start the upgrade , and close the webpage after the upgrade. Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 19: Frequently Asked Questions

    Please ensure that the humidity during installation and use should not be too high, and some components are humidity-sensitive devices; ⚫ If there is no special requirement, it is not recommended to use it at too high or too low temperature. Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 20: Welding Operation Instructions

    6℃/second max Aveage ramp-down rate(Tp to Tsmax) average rate of descent Time from 25° C to peak Time 25℃to peak temperature 6 minutes max 8 minutes max temperature Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 21: Reflow Soldering Profile

    Rubber,foldable 2.4G 1 3 x SMA-J Fixed bent, 175x25 omnidirectional antenna TX2400-JK-11 Rubber,foldable 2.4G 8x90x10 SMA-J Fixed bent, omnidirectional antenna TX2400-JZLW-15 Rubber 2.4G IPEX-1 Straight, omnidirectional generation antenna Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 22: Packing Details

    Revision Notes Maintenance man 2022-9-26 initial version 2023-4-23 Update the pin diagram 2023-7-11 Update the pin diagram 2023-7-18 Content correction 2023-11-13 Content correction 2024-6-18 Content correction Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 23: About Us

    Change module picture About us Technical support: support@cdebyte.com Documents and RF Setting download link: https://www.cdebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------------------ Fax: 028-64146160 Web: https://www.cdebyte.com Address: B5 Mould Industrial Park, 199# Xiqu Ave, High tech Zone, Chengdu, Sichuan, China...

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