The British Telecom unit EE Ltd. launched next-generation 5G wireless service in the United Kingdom cities of Hull, Leeds, Newcastle, Nottingham, Sheffield and Sunderland, bringing its total coverage map to 50 cities and large towns.

EE also switched on its first 5G sites in Northampton, Stevenage and Wakefield.

The company aims to have 5G in more than 70 U.K. cities and large towns by March 2020.