Adafruit fona 800 shield voice data cellular gsm for arduino adafruit 2468 p the adafruit fona 800 cellular gsm voice and data shield for arduino could put your next project in touch with the world send and receive sms messages and gprs data make and answer phone calls and listen to fm radio in fact enough functions to build a working phone including driving a vibration motor and recharging a lipo battery from the usb power the board needs a microcontroller to drive it and will work