GSM/GPRS
Radio GSM modules.
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808891Adafruit FONA 808 Shield - Mini Cellular GSM + GPS for Arduino
Cellular + GPS tracking, all in one, for your Arduino? Oh yes! Introducing Adafruit FONA 808 GSM + GPS Shield, an all-in-one ce... Learn More -
808892Adafruit FONA 800 Shield - Voice/Data Cellular GSM for Arduino
Introducing Adafruit FONA 800 Shield, an adorable all-in-one cellular phone shield that lets you add voice, text, SMS and data ... Learn More