Description
- 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)
- RTC supported.
- Selectable serial port.
- Speaker and Headphone jacks
- 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).
Interface Introduction:
- 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
