Ebyte E22-170T Series User Manual
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Ebyte E22-170T Series User Manual

Ebyte E22-170T Series User Manual

At command 170mhz band lora wireless module
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E22-170Txxx User Manual
AT command 170MHz band LoRa wireless module

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  • Page 1 E22-170Txxx User Manual AT command 170MHz band LoRa wireless module...

  • Page 2: Table Of Contents

    9.1 Transmission distance is not ideal ........................30 9.2 Module is vulnerable to damage ........................31 9.3 Bit error rate is too high ..........................31 10 Welding Operation Commands ..........................31 10.1 Reflow temperature ............................ 31 Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 3 12 Antenna Guide ............................... 33 1 2 .1 Antenna recommendation .........................33 Chapter 13 Bulk Packaging Methods .........................33 13.1 E22-170T30S & E22-170T33S Batch Packaging ..................33 Revision History .................................34 About us ............................错误！未定义书签。 Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 4: Disclaimer And Copyright Notice

    Notice : Due to product version upgrades or other reasons, the contents of this manual may be changed. Ebyte Ltd. reserves the right to modify the contents of this manual without any notice or reminder. This manual is only used as a guide. Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 5: Chapter 1 Product Overview

    Under ideal conditions, the communication distance can reach 16 km;  The parameters are saved when power is off, and the module will work according to the set parameters after power is  Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 6: Application Scenario

    Model Electrical parameters Unit Remark E2 2 - 170T30 S E2 2 - 170T33 S Operating voltage 2. 7～5.5 2. 7～5.5 ≥ 5 V can guarantee the output power , Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 7: Hardware Parameters

    IPEX generation /stamp hole IPEX generation /stamp hole Equivalent impedance is about 50 Ω interface size 40.5 * 25 mm 40.5 * 25 mm ±0.2mm Product Net 5.8g 5.8g ±0.2g Weight Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 8: Chapter 3 Mechanical Dimensions And Pin Definition

    TTL Serial port output, connected to external RXD input pin; Input TTL Serial port input, connected to external TXD output pin; Input (very weak Cooperate with M0 to determine the 4 working modes of the module (cannot Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 9: Chapter 4 Recommended Connection Diagram

    Module reset pin, low level trigger. It is recommended that customers use a Input microcontroller to connect to the module to reset and resume operation in RESET unexpected situations. Fixed Chapter 4 Recommended Connection Diagram Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 10: Chapter 5 Function Details

    : What you send is what you get. You can use the serial port assistant to communicate  with each other (the factory default parameters are consistent, and the transmission method is transparent transmission). The example is as follows: Schematic diagram Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 11 B. Similarly, the data sent by module B is 000102AABBCC. (The transmission data format in fixed-point mode is: target address + target channel + data) Figure 1 Schematic diagram of fixed-point transmission Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 12 B is FFFF02AABBCC. (The data transmission format in fixed-point broadcast mode is: broadcast address + target channel + data) Figure 2 Schematic diagram of fixed-point broadcast transmission Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 13 As shown in the configuration figure: the data sent by node 1 can be received by nodes 2 and 4, and the data sent by nodes 2 and 4 can also be received by node 1. Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 14: Wor Mode Use (M1, M0 Pins Set To 0,1)

    The following figure shows the display interface of the module software configuration. Users can switch to command mode through M0 and M1 to quickly configure and read parameters on the software tool. Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 15 Module A is in configuration mode, and module B is in general mode. Module A can use the configuration software to open remote configuration and read parameters. Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 16: Sleep Mode Use (M1, M0 Pins Set To 1,1)

    After power-on, the entire startup process (entering the mode working state) takes about 16ms power-on and VCC is established, AUX does not immediately indicate a busy state (low level) because the internal microcontroller also requires a certain amount of startup time. Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 17: Serial Port Data Output Indication

    When AUX=0, the buffer is not empty: the data in the internal 1000-byte buffer has not been fully written to the wireless chip and the transmission has not yet started. At this time, the module may have timed out waiting for the end of user data, or is transmitting wireless packets . Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 18: Switching Mode

    WOR Mode 9-11 Configuration Mode 9-11 Sleep Mode 9-11 Configuration Mode Transparent transmission mode 9-11 WOR Mode 9-11 Sleep Mode 9-11 WOR Mode Transparent transmission mode 9-11 Configuration Mode 9-11 Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 19: Notes

    6.1 Commands format Configuration mode (mode 2: M1=1, M0=0 ), the supported command list is as follows ( when setting, only 9600, 8N1 format is supported ): Seri Command Format Detailed description Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 20: Register Description

    Note: When the module address is equal to FFFF, Write it can be used as a broadcast and monitoring Read/ ADDL ADDL (default 0) Write address, that is, the module will not perform Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 21 C2 C3 in transfer mode or WOR send mode to Disabled (default) read registers ; Register 0x00: Current ambient noise RSSI ; Enable Register 0X01: RSSI when receiving data last Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 22 ; In order to prevent data from being transmitted back, it is recommended to use it in conjunction Enable relay function with the fixed-point mode ; that is, the target Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 23: Factory Default Parameter

    Module Model Frequency Address Channel Air speed Baud rate format power E22-170T30S 17 0.125MHz 0x0000 0x 50 2.4kbps 9600 30 dBm E22-170T33S 17 0.125MHz 0x0000 0x 50 2.4kbps 9600 33 dBm Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 24: Chapter 7 At Command

    RSSI judgment threshold -60dBm and the maximum delay AT+LBR=lrssi,ltime AT+LBR=-60,2000 maximum waiting time to 2 seconds time AT+ERSSI=erssi Setting the ambient noise AT+ERSSI=1 Set to on, refer to Section 6.2 Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 25: Query Command

    Returns the LBT switch AT+LBT=? AT+LBT=1 Talk function switch status Query LBT judgment Return judgment AT+LBR=? AT+LBR=-55,2000 parameters parameters AT+ERSSI=? Query the ambient noise AT+ERSSI=1 Returns the ambient RSSI switch noise on/off status Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 26: At Parameter Analysis

    1~65535ms Erssi (Environmental RSSI) 0: Disable 1: Enable Data_rssi (Data RSSI) 0: Disable 1: Enable Addr (module address) Module address 0~65535 (decimal) Channel (module channel) Module channel 0~ 92 (decimal) Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 27: Notes On Upgrading Firmware Via Serial Port

    1、By changing M0 and M1, the module enters the configuration mode (note: the baud rate in the configuration mode is 9600); 2、Open the official website to configure the software, select Firmware Upgrade > Select Serial Port > Open Serial Port; Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.
  • Page 28 3、Click Read Parameters to view the module information in the left window of the configuration software; 4、Click Firmware Upgrade > Click Open File (select the firmware .bin file) > Click Start Downloading; Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 29: Hardware Design

    Please pay attention to the correct connection of the positive and negative poles of the power supply. Reverse connection may  Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 30: Faq

    The power supply voltage at room temperature is lower than the recommended value. The lower the voltage, the lower the power  output .  The antenna used does not match the module well or the antenna itself has quality issues. Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 31: Module Is Vulnerable To Damage

    20 seconds 30 seconds in the figure below. Cooling slope (T p ~T 6℃/sec, max. 6℃/sec, max. Time from room temperature to peak 6 minutes, longest 8 minutes, longest temperature Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 32: Reflow Oven Curve

    868 / 915M Patches 16*26 E22-900T30D 868 / 915M Patches 20*40.5 E22-400M22S 433/470M Patches 14*20 E22-400M30S 433/470M Patches 24*38.5 E22-900M22S 868 / 915M Patches 14*20 E22-900M30S 868 / 915M Patches 24*38.5 Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 33: Antenna Guide

    170 M SMA-J antenna omnidirectional antenna Glue stick Bend the glue stick, TX170-JK-11 170 M SMA-J antenna omnidirectional antenna Chapter 13 Bulk Packaging Methods 13.1 E22-170T30S & E22-170T33S Bulk Packaging Copyright © 2012–2025 , Chengdu Ebyte Electronic Technology Co., Ltd.

  • Page 34: Revision History

    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 ------------------------------------------------------------------------------------------------------------ Web: https://www.cdebyte.com Address: B5 Mould Industrial Park, 199# Xiqu Ave, High tech Zone, Chengdu, Sichuan, China...

This manual is also suitable for:

E22-170t30sE22-170t33s

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