One of America's largest telecommunications conglomerates officially announced the cities in which it will initiate its 5G rollout campaign. AT&T will launch its 5G campaign in the US cities of Austin and Indianapolis. AT&T have named the high-speed network plans as the '5G Evolution' and has indicated that it will we able to provide top speeds of up to 400Mbps - which to put that into context is around 40 times faster than a standard cellular data connection.