FONA 808 Cellular & GPS Shield
Adafruit FONA 808 Cellular and GPS Shield adds location tracking, voice, text/SMS, and data to an existing project. The FONA uses the SIM808 module for cellular connectivity and can connect to any global GSM network with any 2G SIM. GPS is available via the MT3336 chipset and can be controlled over the serial connection. Onboard LiPo battery charging circuitry is available to recharge a connected battery.
