USR-GM3 Industrial Smallest UART to GSM/GPRS Module Item NO.: Q15850

USR-GM3 Industrial Smallest UART to GSM/GPRS Module 

USR-GM3 is highly-integrated UART to GSM/GPRS module, Users can easily make communication with it among serial device,cellphone and network device.USR-GM3 is an embedded GSM module. It is designed for embedded system, and it is so small and convenient that you can integrate it to your system easily.

Function features

• Small and completed function GPRS DTU, transmission between serial and GPRS
• Support GSM850/900,DCS1800/1900
• Support GSM/GPRS/EDGE and 2G/3G/4G,2G traffic
• Support 2 sockets, Support TCP and UDP
• 4KB cache for each of sockets, user can choose to cache data or not
• Support register package and heart beat package
• Support setting parameters via SMS message
• Support 4 work modes: SMS message transmission mode, network transmission mode and HTTPD mode
• Support basic and extend AT command sets
• Support similar RFC2217
• Support flow control: RTS/CTS
• Support RS485

       Product characters

• Baud rate: 2400, 4800, 9600, 14400, 19200, 28800, 33600, 38400, 57600  115200, 230400, 460800, 921600.
• Operating voltage: 3.40V~4.20V
• Operating current: average 55mA~80mA, maximum 750mA
• Operating temperature: -40~+85°C
• Storage temperature: -40~+125°C
• Storage humidity: 5%~95%RH
• Max TX power : GSM900 class4(2W),DCS1800 class1(1W)

       Function:

GM3 has the following features:

1.Built-in Antenna Interface
2.Httpd Client (Click to learn the function of Httpd Client);
3.Two Network Links : GM3 can build TCP link with two target servers and send the same data;
4.SMS Transmission : TTL can directly output SMS content;
5.SMS Configuration : telephone sends SMS to configure GM3;
6.Send SMS : apply to application of SMS alarm;
7.Hardware Flow Control : RTS/CTS;
8.Register Package Mechanism : convenient for server to identify device;
9.Heartbeat Package Mechanism : guarantee normal network connection;
10.Baud Rate Sync : support rapidly set up serial baud rate though network command;

Later Function

1.Built-in SIM Card : GM3S,the next generation of GM3,will come with SIM card.
2.Open SDK : User can customize function according to their own requirements.

Application:

GM3 can apply to application which can process remote data interaction in no network environment.

1.Temote Data Acquisition
Apply to : electricity checks meter system,communication power distribution system,coal mine safety monitoring,tax monitoring, lottery system,weather information acquisition system,sewage monitoring system,POS machine system,oil field flow and temperature detection
2.Remote Control
Apply to : Residential intelligent control, elevator remote control system and water supply dispatching system.
3.Remote Alarm
SMS alarm control system such as gas detect,fire alarm and unlawful entry.

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