In the UK, regulator Ofcom has announced rules for auctions in the 2.3 GHz and 3.4 GHz bands, but will wait before licensing 3.6-3.8 GHz, as these are currently used for fixed wireless in some regions, and it wants to release the airwaves on a national basis. Meanwhile, fourth MNO Three is contemplating a legal challenge to a new spectrum cap of 37%, which it claims is too high to even out the UK competitive landscape. It will offer 40 MHz in the lower band and 150 MHz in the higher one. The decision to release 3.4 GHz and 3.6 GHz at different times increased the pressure for Ofcom to introduce new caps on how much spectrum each MNO can…