You might have seen them in use on public transport, or perhaps you’ve come across them as an option when looking for a new broadband deal. Whatever the situation, it’s a smart move to first ...

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 ...