Then O2 has both 40MHz in the 3.4GHz band and 40MHz in the 3.6GHz band, as well as 20MHz in the 700MHz band. Finally, Vodafone has 50MHz in the 3.4GHz band and 40MHz in the 3.6GHz band, but no 700MHz spectrum. … How much 5G spectrum do the UK’s networks have? Network5G spectrum holdingsO2100MHzThree160MHz5G Frequency Bands and Spectrum Allocation in the UK 5g.co.uk › 5G guides