The SIM900 GSM/GPRS shield is compatible with Arduino. It
is based on the SIM900 module from SIMCOM. Allows you to send SMS, MMS, GPRS
and audio via UART using AT commands. It has 12 GPIOs, 2 PWMs and buit-in ADC
of the SIM900 module.
Quad
Band: 850; 900; 1800 and 1900 MHZ, so it should work on GSM networks in all
countries. The shield has microphone and headphone jacks for phone calls.
GSM stands for Global System for Mobile
Communications and is the global standard for mobile communications.
GPRS stands for General Packet Radio Service. GPRS is a mobile service on the 2G
and 3G cellular communication.
Key features of the shield:
Note; Picture might appear a bit different from actual
product.
Package
list:
1x SIM900 GSM/GPRS Shield
1x GSM/GPRS antenna
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