Ebyte E840-DTU User Manual

E840-DTU(4G-02E）E840-DTU(4G-02E）

Ebyte E840-DTU Specifications

General

Brand	Ebyte
Model	E840-DTU
Category	Modem
Language	English

Summary

Product Overview

1.1 Introduction

Introduces the E840-DTU(4G-02E) LTE digital transmission module and its capabilities.

1.2 System parameter

Details system parameters including frequency, LTE/WCDMA/GSM characteristics, network protocols, and hardware.

1.3 Interface description

Provides diagrams and dimensions of the device's interfaces and ports.

1.4 Pin definition

Defines the function and description for each pin on the E840-DTU(4G-02E) module.

Quick start

2.1 Hardware

Lists the necessary hardware components for testing the E840-DTU(4G-02E) module.

2.2 Data transmission test

Guides users through testing data transmission between the device and a remote server using AT commands.

High speed mode

SMS function

Modbus RTU and Modbus TCP conversion

Base station positioning function

Serial port packaging function

Enable Ebyte IoT platform function

Network AT command

MQTT protocol

AT command

AT Command Format

Defines the general syntax for AT commands, including command, operation, and parameters.

AT Command Error Codes

Lists common AT command error codes and their corresponding descriptions for troubleshooting.

AT Command Set

Provides a comprehensive list of AT commands with their functions and descriptions.

Notes

Important Statement

Reversion History

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