Traditionally a dongle – which is a small piece of plug-in computer hardware – has been used as an authentication device which must be used before a full version of a piece of software can be run. This made it useful as an aid to revent software piracy.

Recently it has been increasingly used in relation to mobile broadband – as a small plug in USB device that allows access to mobile broadband via a mobile phone network.

By Sarah at UK Broadband Finder
Read my Broadband Glossary disclaimer

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