Ofcom’s 2025 consultation on releasing mmWave spectrum marks a pivotal step in the UK’s digital future. Unlocking the 26 GHz and 40 GHz bands will enable ultra-fast, high-capacity 5G, laying foundations for 6G. From smart cities and stadiums to transport hubs, mmWave can transform connectivity. But success depends on real demand and strong business cases—without them, small-cell investment will stall.