Ebyte E22 T22D Series User Manual
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Ebyte E22 T22D Series User Manual

Ebyte E22 T22D Series User Manual

At command 22dbm lora wireless module
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E22-xxxT22D User Manual
AT Command 22dBm LoRa Wireless Module

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Summary of Contents for Ebyte E22 T22D Series

  • Page 1 E22-xxxT22D User Manual AT Command 22dBm LoRa Wireless Module...

  • Page 2: Table Of Contents

    10 Host computer configuration instructions ......................26 11 Hardware design ..............................27 12 FAQ ..................................28 12.1Transmission distance is not ideal ....................... 28 12.2 Modules are easily damaged ........................29 Copyright © 2012–20 24 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 3 15 Antenna Guide ............................... 31 15.1 Antenna recommendations .......................... 31 16 Batch packaging methods ............................32 16.1 E22-230/400/900T22S batch packaging method ..................32 Revise history ................................32 About us ..................................33 Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 4: Product Overview

    Support WOR, which is an ultra-low power consumption function suitable for battery powered application solutions; ⚫ Support fixed-point transmission, broadcast transmission, and channel monitoring; ⚫ Support deep sleep mode, in which the overall power consumption is about 3uA; Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 5: Application

    ⚫ Wireless alarm security system; ⚫ Building automation solutions; ⚫ Wireless industrial grade remote control; ⚫ Healthcare products; ⚫ Advanced Meter Reading Architecture (AMI); ⚫ Application in the automotive industry. Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 6: Specification And Parameter

    Power RX current consumption Software shutdown Sleep current Operating ℃ -40 ～ + 85 Industrial grade design temperature temperature Storage ℃ -40 ～ + 85 Industrial grade design temperature Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 7: Hardware Parameters

    240 Byte be sent via command Packaging method cache 1000 Byte capacity Antenna Equivalent impedance is about 50 Ω IPEX/stamp hole interface size 36mm*21mm ± 0.1mm Product 2.4g ± 0.05g Weight Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 8: Mechanical Dimensions And Pin Definitions

    TTL serial port output, connected to the external RXD input pin; Used to indicate module working status; output The user wakes up the external MCU and outputs low level during power-on Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 9: Recommended Connection Diagram

    Module power supply positive reference, voltage range: 2.3 ~ 5.5V DC power supply Module ground wire Fixing hole Fixing hole Fixing hole Fixing hole Fixing hole Fixing hole 4 Recommended connection diagram Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 10: Function Description

    E22-xxxT22D Series User Manual 5 Function description 5.1 Fixed- point transmission 5.2 Broadcast transmission 5.3 Broadcast address ⚫ Example: Set the module A address to 0xFFFF and the channel to 0x04. Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 11: Listening Address

    5.6.1 Serial port data output indication ⚫ Used to wake up the external MCU from sleep; Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 12: Wireless Transmission Instructions

    After the user switches to a new working mode, the module will not actually enter this mode until at least 2ms after the rising edge of AUX; If AUX remains high, the mode switch will take effect immediately. Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 13: Operating Mode

    And put the user's main MCU to sleep immediately. The module will automatically send all user data through wireless and automatically enter sleep within 1ms; ⚫ This saves the MCU's working time and reduces power consumption. Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 14: Normal Mode (Mode 0)

    Wireless transmission is turned off and automatically turned on during wireless configuration. Receiving Wireless reception is turned off and automatically turned on during wireless configuration. Configuration Users can access registers to configure module working status Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 15: Deep Sleep Mode (Mode 3)

    Send: C2 05 01 09 Return: C1 05 01 09 Example 2: Configure module address (0x1234), network address (0x00), serial port (9600 8N1), and air speed (2.4K) at the same time Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 16: E22-400/900T22D Register Description

    The serial port modes of the communicating parties can be different ; 8N1 (equal to 0 0 ) The air speed of both communicating parties must Wireless air rate (bps) Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 17 At the maximum power, the power 22 dBm (default) supply efficiency is the highest ; 17 dBm Current does not decrease proportionally with 13 dBm lower power. 1 0 dBm Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 18 Key low byte (default 0) calculation factors to transform and encrypt the air 0 8H Write wireless signal. Product information 7 bytes Product information 7 bytes 8 0H ~ 8 read Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 19: E22-230T22D Register Description

    ; Air speed 4.8k air rate, the smaller the delay and the shorter the Air speed 9.6k transmission distance. Air speed 19.2k Air speed 38.4k Air speed 62.5k Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 20 During fixed-point transmission, the module will transfer method identify the first three bytes of serial port data as: Transparent transmission (default) address high + address low + channel, and use Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 21: Factory Default Parameters

    E22-900T22D factory default parameter value: C0 00 09 00 00 00 60 00 12 03 00 00 Serial port Transmit Module model frequency address channel Air speed baud rate format power Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 22: At Commands

    Set to fixed point mode AT+ROUTER=router Set relay mode AT+ROUTER=1 Set to relay mode AT+LBT=lbt Set Listen Before Talk AT+LBT=1 Setting is enabled, please function switch refer to Section 7.2 LBT Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 23 Query relay mode AT+ROUTER=1 Return to relay mode AT+LBT=? Query the Listen Before AT+LBT=1 Return LBT switch status Talk function switch AT+ERSSI=? Query the environmental AT+ERSSI=1 Return to ambient noise Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 24: At Parameter Analysis

    Module key 0~65535 (decimal) Delay (WOR delayed sleep) Delayed sleep 0~65535 (decimal) Note 1: Modules with different powers have different settings. You can check the transmission power in Section 7.2 of the manual. Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 25: Things To Note When Upgrading Firmware Via Serial Port

    So relay 2 can forward relay 1's data to network NETID: 05. Therefore, node 3 and node 4 can receive the node 1 data. Node 4 outputs data normally. Node 3 has different addresses from node 1, Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 26: Host Computer Configuration Instructions

    The picture below shows the configuration host computer display interface of E2 2 - 9 00T22 D as an example . The user can switch to command mode through M0 and M1 to quickly configure and read parameters on the host computer. Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 27: Hardware Design

    Please check the stability of the power supply. The voltage cannot fluctuate greatly and frequently; ⚫ When designing the power supply circuit for the module, it is often recommended to reserve more than 30% margin, so that the Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 28: Faq

    The low voltage of the power supply at room temperature is lower than the recommended value. The lower the voltage, the smaller the power generated ; ⚫ There is a poor match between the antenna and the module or there is a problem with the quality of the antenna itself. Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 29: Modules Are Easily Damaged

    "Moisture Sensitivity" label. "Moisture Sensitivity" label. p ) within 5°C of the specified classification 20 seconds 30 seconds temperature (Tc) , see the figure below Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 30: Reflow Soldering Curve

    E22-900T30S 868 / 915M patch 20*40.5 E22-400M22S 433/470M twenty two patch 14*20 E22-400M30S 433/470M patch 24*38.5 E22-900M22S 868 / 915M twenty two patch 14*20 E22-900M30S 868 / 915M patch 24*38.5 Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 31: Antenna Guide

    Bend glue stick, TX433-JW-5 433M SMA-J antenna omnidirectional antenna glue stick Bend glue stick, TX433-JWG-7 433M SMA-J antenna omnidirectional antenna glue stick Bendable glue stick, TX433-JK-11 433M SMA-J antenna omnidirectional antenna Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 32: Batch Packaging Methods

    12 0 antenna cost-effective 16 Batch packaging methods 16.1 E22-230/400/900T22S batch packaging method Revise history Version Revision date Revision Notes Maintenance man 2024-4-11 initial version 2024-6-6 Parameter modification 2025-3-14 Parameter modification Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 33: About Us

    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 ----------------------------------------------------------------------------------------------------------------------------------- Official hotline:028-61399028 Web: www.cdebyte.com Address: , Building B5, Mould Industrial Park, 199# Xiqu Ave, High-tech Zone, Chengdu, 611731, Sichuan, China...

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