Cellular shields for the Arduino have been around for ages ... and is compatible with the SIM908 GSM/GPRS module that adds a GPS receiver. Also on board this shield are a pair of 1/8 ...

The Arduino Due compatible module has an Atmel SAM3A8C ARM controller, a Quectel M95 GSM/GPRS modem and a Quectel L76 GPS/GLONASS module with Assisted GPS and CANbus. The OpenTracker v2 will be ...

Their latest Kickstarter venture is the RePhone, an open source and modular cell phone that will allow hackers to put together a phone by blending GSM ... an Arduino-based processing core, GPS ...