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Name:GSM/GPRS/3G/4G IOT M2M Modem DTU
Model:D223
The GSM/GPRS/3G/4G IOT M2M Modem DTU D223 is a powerful and programmable multi-purpose wireless cellular modem and data transfer unit (DTU). It provides a secure, high speed, reliable wireless data transmission between com port and internet connection for customers over GPRS/3G/4G wireless cellular network. Also, it can be used as SMS modem and Modbus RTU to Modbus TCP converter.
Introduction
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The GSM/GPRS/3G/4G IOT M2M Modem DTU D223 is a powerful and programmable multi-purpose wireless cellular modem and data transfer unit (DTU). It embedded high reliable 32bit ARM9 MCU and industrial GSM/GPRS/3G/4G Cellular Engine inside. It provides a secure, high speed, reliable wireless data transmission between com port and internet connection for customers over GPRS/3G/4G wireless cellular network. Also, it can be used as SMS modem and Modbus RTU to Modbus TCP converter.

Moreover, it is suitable for transparent transferring SMS text between mobile phone, computer and RS232/RS485/TTL Serial port over GSM/3G/4G wireless cellular network. It can be used as SMS modem supports transparent transferring SMS, AT Commands, and provides 1 digital input can be used as SMS Alarm and Pulse Counter Alarm, too.

The GPRS/3G/4G wireless cellular communication has become widely used of industrials and utilities and many customers are requiring reliable, flexible and cost-effective data channel to build their information system. Many applications such as Remote device monitoring, remote automatic metering system, ATM, data logging system, POS, SCADA and surveillance system will require data channels covered all country.

The GSM/GPRS/3G/4G IOT M2M Modem is an ideal solution for factory automation, environmental monitoring and remote device management for M2M industry. Meanwhile, it is supplied with simple and user friendly PC Configurator to configuration, easy to installation.

How Does the GSM/GPRS/3G/4G IOT M2M Modem works?

The GSM/GPRS/3G/4G IOT M2M Modem with dynamic IP address, if you want to create the connection between the server and GSM/GPRS/3G/4G IOT M2M Modem, must using call, SMS or Com port to activate the GSM/GPRS/3G/4G IOT M2M Modem online firstly. Then the GSM/GPRS/3G/4G IOT M2M Modem will create the connection to the Server to build the tunnel, so the server can communicate to the GSM/GPRS/3G/4G IOT M2M Modem. The GSM/GPRS/3G/4G IOT M2M Modem with the heartbeat, it can keep the connection tunnel online all the time. Once the connection disconnected, the GSM/GPRS/3G/4G IOT M2M Modem will auto redial to create the connection. The server must with static IP address or DNS.


Under TCP/UDP mode, when the data length exceeds a fixed length or within the fixed time no new data received, the GSM/GPRS/3G/4G IOT M2M Modem will start to process the received data, packing the data then send to the specified IP address and Port or DNS and Port. Or unpack the data packets from the internet then transfer to the com port according to the baud rate.

The GSM/GPRS/3G/4G IOT M2M Modem suitable for below applications:

The Electricity Power Industry

1.    Remote Meter Reading

2.    Power monitoring

3.    Streetlight monitoring

4.    Meter monitoring

5.    Control Room monitoring

6.    Power distribution automation remote control systems

Automatic monitoring system

Vending Machines,ATM,POS

The traffic Industry

1.     Traffic instructions

2.     Vehicle Park Guide

3.     Expressway monitoring

4.     Traffic lights control and photograph transmission

Water Industry

1.    Water Monitoring

2.    Water Meter Reading

3.    Real-time transmission of the water supply network monitoring

Environment , meteorology, oil and other industries

1.     Environmental protection of key pollution sources monitoring

2.     Environmental monitoring

3.     Meteorological monitoring

The noise real-time monitoring

Oilfield monitoring

Heating network monitoring

Coal monitoring

Seismic monitoring

All kinds device with RS232/RS485/TTL serial port of the PLC, RTU wireless data transmission.

In one word, the GSM/GPRS/3G/4G IOT M2M Modem suitable for transferring data from device to internet, and transferring data from internet(Monitoring center or server) to device.


 
 
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