HF Elfin-EG11 User Manual

4G_2G DTU Products Function
http://www.iotworkshop.com - 1 -
4G_2G DTU
Products Function
V 1.8
This document applies to the following series of products. Please refer to the
product manual for product hardware instructions.
4G Products
HF2411
Elfin-EG40
Elfin-EG41
Gport-G43
2G Products
HF2111A

HF Elfin-EG11 Specifications

General

Brand	HF
Model	Elfin-EG11
Category	Network Hardware
Language	English

Summary

Function Description

Basic Network Protocol

Explains IP-based communication via TCP/UDP for reliable data transmission.

Working Mode

Describes the operational modes of the DTU devices.

Transparent Throughput Mode

Enables serial data transmission without protocol conversion.

SMS Throughput Mode

Allows sending and receiving data via SMS messages.

SOCKA HTTP Mode

Allows devices to send requests to HTTP servers.

SOCKA WebSocket Mode

Facilitates real-time bidirectional communication via WebSockets.

SOCKA MQTT Mode

Supports sending data to MQTT servers for IoT applications.

Registration Package Function

Automatically adds device info to server upon connection.

Heartbeat Package Function

Periodically sends status to maintain active connections.

IOTService Software

Introduces the configuration tool for device management.

IOTService Serial Port Configuration

Details configuring DTUs via serial port using IOTService.

IOTService Network Mode Configuration

Explains network setup for DTUs using IOTService.

Modbus Protocol

Enables ModbusRTU to ModbusTCP conversion for slave device connection.

HIS Script Funciton(Only 4G Product Support)

Enables data transfer for industrial devices using Hi-flying I.O.T script.

AT Instruction Introduction

Working Mode

Explains how to switch between operation modes.

Switching to Command Mode

Describes the procedure to enter AT command mode.

Send AT Command in Transparent Transmission Mode

Allows AT commands without exiting transparent mode.

Overview of the AT Instruction Set

Introduces the AT command structure and purpose.

Instruction Syntax Format

Details the format of AT commands.

AT Instruction Set

Lists and describes available AT commands.