EE network 4G: Cardiff's role in mobile revolution
The days of using a mobile phone to just make calls have long gone, and Cardiff is playing a part in the next chapter of the communications revolution.
It is one of eleven UK cities where mobile users can now access a new 4G service.
The EE network, which owns Orange and T-Mobile, is the first company to promise mobile internet access five times faster than the current technology.
Jamie Owen spoke to Elinor Williams from the communications regulating body Ofcom.