Feature:
- 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 Audio 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.
Specifications:
- Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world.
- 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 - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands.
- Short Message Service - so that you can send small amounts of data over the network (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
Application:
- M2M (Machine 2 Machine) Applications.
- 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
- Microphone - to answer the phone call
- Speaker - to answer the phone call
- GPIO,PWM and ADC of SIM900 - GPIO,PWM and ADC pins breakout of SIM900
- Power key - power up and down for SIM900
Note:
- The SIM900 Board Input is 5-26V 2A,We Recommended current is more than 9V 2A
- Ensure your SIM card is not locked
- GPRS Shield Communication baud rate is 19200 BPS 8-N-1