Full bars, and Netflix still buffers. The problem isn't your internet plan, it's the air you share. Wi-Fi is radio, devices take turns talking, and a busy evening throttles performance even when the signal looks strong. Once you see Wi-Fi as a shared intersection instead of a private lane, everything about placement, bands, and channels makes more sense.

I walk through the bands in plain terms: 2.4 GHz for reach, 5 GHz for speed, 6 GHz for cleaner air with Wi-Fi 6E and 7. Then the standards without the marketing: Wi-Fi 5 for peak speed, 6 for efficiency under load, 6E for fresh spectrum, 7 for capacity and latency. You're not chasing bandwidth, you're competing for airtime.

Houses usually have coverage problems, apartments usually have contention problems, and the fixes are different. I finish with a five-step checklist: move the acce ...