Asunflower® SIM900 Quad-band GSM GPRS Shield Development Board for Antenna SIM900 Board Input is 9-36V 2A We Recommended current is more than 9V 2A

Features

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

· RTC supported.

· Selectable serial port.

· Low power consumption - 1.5mA(sleep mode)

Application Ideas：

· M2M (Machine 2 Machine) Applicatoions.

· Remote control of appliances.

· Remote Weather station or a Wireless Sensor Network.

· Vehicle Tracking System with a GPS module.

Cautions

· Make sure your SIM card is unlocked.

· The product is provided as is without an insulating enclosure. Please observe ESD precautions specially in dry (low humidity) weather.

· The factory default setting for the GPRS Shield UART is 19200 bps 8-N-1. (Can be changed using AT commands).

· Power select - select the power supply for GPRS shield(external power or 5v of arduino)

· Power jack - connected to external 4.8~5VDC power supply

· Antenna interface - connected to external antenna

· Serial port select - select either software serial port or hareware serial port to be connected to GPRS Shield

· Hardware Serial - D0/D1 of Arduino

· Software serial - D7/D8 of Arduino

· Status LED - tell whether the power of SIM900 is on

· Net light - tell the status about SIM900 linking to the net

· UART of SIM900 - UART pins breakout of SIM900

Package Contents:

1x SIM900 Board for Arduino