Arduino GSM / GPRS SIM900 Shield

Details: The GPRS Shield is based on SIM900 module from SIMCOM and 

compatible with Arduino and its clones. The GPRS Shield provides you a way 

to communicate using the GSM cell phone network. The shield allows you to 

achieve SMS, MMS, GPRS and A udio via UART by sending AT commands 

(GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands). The shield also 

has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module(They are all 

2V8 logic) present onboard.

Features：

Quad-Band 850 / 900/ 1800 / 1900 MHz -  GSM  networks.

GPRS multi-slot class 10/8

GPRS mobile station class B

Compliant to GSM phase 2/2+

Class 4 (2 W @ 850 / 900 MHz)

Class 1 (1 W @ 1800 / 1900MHz)

Control via Standard AT commands

Short Message Service (ASCII or raw hexadecimal).

Embedded TCP/UDP stack allows you to upload data to a web server.

RTC supported.

Selectable serial port.

Speaker and Headphone jacks

Low power consumption - 1.5mA(sleep mode)

Industrial Temperature Range - -40°C to +85 °C

Package list：

1 x GPRS/GSM SIM900 Shield board

1x antenna

For more information please visit wiki page.