Contentious enough to cause diplomatic ructions, 5G is the mobile technology upgrade that continues to hit the news.

For consumers, the next generation of mobile networks promises to deliver faster connections, fewer delays and new services.

For telcos, the upgrade will allow many more connections in a given area, and opens up the chance to earn extra revenue from the "Internet of Things", connecting anything from your fridge, to your car, or city streetlights to the mobile network.

But for now, that's all in the future. Despite the increasing noise, 5G remains a work in progress.

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However, trawling through the

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What makes a network 5G?

What's in it for telcos?

Unravelling the abbreviations

For users, speed is the key