The next generation of mobile internet has gone on sale for the first time in Wales. 4G is said to be five times faster than the existing 3G service - which currently drives smartphones.
Cardiff is one of 11 trial sites across the UK. But with many other parts of Wales still struggling to get an internet connection of any sort, our reporer David Wood has been looking at how useful it will be.
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Breezy overnight. It will become fairly cloudy as the night progresses.
It should turn cloudier through the early hours with some patchy drizzle and some hill fog too.
It will be a breezy day with variable amounts of cloud and some bright or sunny spells.