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FONA 808 Shield - Mini Cellular GSM + GPS for Arduino | Adafruit | 2636 |

Shield for Arduino designed and based on the module GSM/GPRS SIM900 or the GSM/GPRS & GPS module SIM908, to make calls, voice and data connections via GPRS.

GPS Shield Ublox NEO Module Sensor for Arduino 3.3V 5V with SD Card Slot

GPS Shield Expansion Board Module RoyalTek REB-4216S4 for Arduino Mega