Note:Headers of this product is shipped unsoldered.

Features:
Compatible with standard Arduino Uno and Arduino Mega.
Selectable interface between hardware serial port and software serial port.
Quad band support: 850/900/1800/1900MHz.
Support TCP/UDP protocols.
Full control via AT commands set: Standard - GSM 07.07 & 07.05 and Enhanced - SIMCOM AT Commands.
2-in-1 headset jack.
Convenient external SIM card holder.
Low power consumption: 1.5mA(sleep mode).

Cautions:
Make sure your SIM card is unlocked.
GPRS Shield doesn't come with ESD precautions. Take special care when handling it in dry weather.
The factory default setting for the GPRS Shield UART is 19200bps 8-N-1. (Can be changed using AT commands).

Specifications:
GSM/GPRS module: SIM900
Frequency band supported: 850/900/1800/1900MHz
Protocol supported: TCP/UDP
Voltage: 5 ~ 12V
Default Baud rate: 19200
Max. Baud rate: 115200
Low power consumption: 1.5mA (sleep mode)