DFRobot SIM808 GSM/GPS/GPRS Shield for Arduino adhesive heatsink Address codes: floating

Address codes: floating

and custom USB interfaces

It puts the ESP8266 chip

That's where cable glands come in

Why this board over an UNO

DFRobot SIM808 GSM/GPS/GPRS Shield for Arduino adhesive heatsink Address codes: floatingExpand Your Project with the GSM GPS GPRS SIM808 Shield DFRobot GSM GPS GPRS SIM808 Shield DFRobot SIM808 Shield combines GSM, GPRS, and GPS functions on one board for location aware and mobile data projects. It is useful for trackers, vehicle systems, remote alerts, SMS control, and data logging where wired internet is not practical. Important: Use the official DFRobot links below for wiring, sample code, downloads, and the latest setup notes for