Adafruit fona 3g cellular gps breakout board adafruit 2691 p the adafruit fona 3g cellular breakout board adds to their impressive 2g phone breakouts with 3g and gps built in you can expect better coverage backwards compatibility with gsm and a fast gps with a 1s hot start time to first fix ttff on the phone side it s quad band and will connect to any gsm network with a 2g sim plus dual band umts hdspa it can send and receive sms messages and send and receive gprs data plug the m