WiFi Tips & Guides

2.4 GHz reaches farther, 5 GHz is faster, 6 GHz is the cleanest. Here's exactly when to use each band — and how to stop your devices picking the wrong one.

Dead zones aren't mysterious — they're predictable. Learn why they form, how to find them with a heatmap, and the most effective fixes for every budget.

Those bars mean almost nothing. Here's how to read your actual dBm signal, what the numbers mean, and what to do when your signal is weak.

The bars in Settings tell you almost nothing. Here are 3 ways to get the actual dBm numbers from your iPhone — and exactly what they mean.

All three promise to fix dead zones. But they work differently and the wrong choice can leave you worse off. Here's how to pick the right one for your home.

Moving your router costs nothing and often beats buying a new one. Here's where to put it, what kills signal, and how to verify it actually worked.

WiFi is invisible — which is exactly why it's so hard to fix when it breaks. A heatmap makes the invisible visible. Here's everything you need to know.