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.
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.
Selectable serial port.
Speaker and Headphone jacks
Low power consumption – 1.5mA(sleep mode)
Industrial Temperature Range – -40°C to +85 °C
1 x GPRS/GSM SIM900 Shield board
1x power adapter