Better yet, the software side is just as simple thanks to the Vodafone USB Modem library for mbed ... the 30 countries serviced by the telco. The dongle seen at the right is sold by Vodafone ...

A cellular modem via USB is a "USB modem." On a card, it can be an "air card," "data card" or "broadband card." Generic terms are "broadband adapter," "broadband modem," "cellular adapter," "3G or ...