Ofcom raises £1.356bn in principal stage of new 5G spectrum auction After announcing their plans to extend and improve basic 4G connectivity around the country, the UK’s mobile operators are celebrating their principal gains in the 5G arena with low-band and mid-band spectrum Share this item with your network: By Published: 17 Mar 2021 12:27 UK comms regulator Ofcom has revealed that principal stage bidding has now ended for the 200MHz of 5G spectrum that it put up for auction, with the swift conclusion of the auction and the relatively modest overall spend of just of £1bn being seen as good news for maintaining the UK’s 5G development.