Questions in GSM Shield ( SIM900D )

Our SIMCOM SIM900D GSM/GPRS kit is repackaged to allow it to function as a gizDuino (Arduino Compatible) Shield as well. New features includes buffered 5V tolerant UART port for worry free interfacing between 3V to 5V host MCUs.

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Our SIMCOM SIM900D GSM/GPRS kit is repackaged to allow it to function as a gizDuino (Arduino Compatible) Shield as well. New features includes buffered 5V tolerant UART port for worry free interfacing between 3V to 5V host MCUs.