The GSM/GPRS/3G/4G IOT M2M Modem D222 is a powerful multi-purpose SMS modem. It is embedded with High reliable 32Bit ARM9 MCU and industrial GSM/GPRS/3G/4G Cellular Engine inside. It is special 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 GSM/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.

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

Parameter Name	Parameter Value
Type	cellular
Network	RS232 GSM RS485 GPRS wireless 4G 3G
Application	industrial for IoT applications
Mounting	embedded