This will allow the development platform to connect to the internet via GSM mobile phone networks. The module, or shield, was developed in conjunction with Telefónica’s Physical Internet Laboratory ...

Particle’s Electron is a “cellular Arduino” with a global data plan ARM- and GSM-based board promises quick on-ramp for mobile IoT development.

Hands on with Electron, the cellular mobile Arduino-like controller thing Hardware with services lowers learning curve of adding cloud and app connections to devices.