Sim 808 Gprs / GSM / GPS / Bluetooth All In One Shield For Arduino
Credit card size has integrated quad-band GSM/GPRS and GPS navigation technology.
Compared to the previous generation SIM908, SIM808 made some improvement on performance and stability.
In addition to the normal SMS and phone functions, also supports MMS, DTMF, FTP and other functions. You can achieve the data acquisition, wireless data transceiver, IoT application and GPS orientating.