United Kingdom: When the first 4G rollout hit the United States in 2010, mobile devices began to match the performance of low‑end PCs. By 2015, 5G was live in several cities, delivering sub‑20‑ms latency.
United Kingdom: When the first 4G rollout hit the United States in 2010, mobile devices began to match the performance of low‑end PCs. By 2015, 5G was live in several cities, delivering sub‑20‑ms latency.