EE "superfast" 4G speeds to double

Average speeds at the moment are 8Mbps - 12Mbps Credit: Jan Haas/DPA/Press Association Images

Cardiff is to be one of ten UK cities to get "superfast" 4G broadband services, according to provider EE.

Average speeds at the moment of between 8Mbps and 12Mbps will rise to 20Mbps.

The service, due to be rolled out in the Summer, is expected to let users surf the web more quickly on mobile phones.