If you need GPRS Shield, please purchase EFCom.
4 Frequency GPRS/GSM Module-EFCom Pro is an ultra compact and reliable wireless module. It is a breakout board and minimum system of SIM900 Quad-band GSM/GPRS module. It can communicate with controllers via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands). This module support software power on and reset.
EFCom Pro is base on SIM900 4 Frequency GPRS module.
The GPRS is configured and controlled via its UART using simple AT commands. Just connect on the Arduino/AVR/ARM/FPGA/CPLD board, you could easy to use AT command control it. EFCom Por can be connect to PC via FT233RL, recommend our FT232 Bee adapter
EFCom Pro IO List:GND , +5V , RX , TX , PWR , RST .
Power Supply: +5V
Fully compatible with AVR/Arduino/ARM/FPGA
Free serial port connecting, you can select Hardware/Software Serial port control
Super capacitor power supply for the RTC.
EFCom not only can use the button for power on , but also can use the digital pin of Arduino to power on and reset the SIM900 module.
Quad-Band 850/ 900/ 1800/ 1900 MHz
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 AT commands (GSM 07.07 ,07.05 and EFCOM enhanced AT Commands)
Supply voltage range : 3.1 – 4.8V
Low power consumption: 1.5mA(sleep mode)
Dimension:60 mm x 53 mm