Wi-Fi coverage guides

62 plain-English guides on dead zones, extender and mesh placement, awkward floor plans and the rooms that never get signal.

Six ceilings sit between the street and your phone. Find the one actually costing you the speed.

Sharing a channel with the building is an airtime problem, not a signal problem. Channels, widths, DFS.

The 9 pm test that separates ISP contention from channel congestion from your own devices.

The upgrade sped up the rooms that were already fine. Here is the fix for the one that was not.

One Ethernet cable splits the problem in two, plus the modem readings to have ready before you dial.

Pace it out, keep the proportions honest, and leave out the detail the simulation never reads.

Floors stack on one shared footprint. How to draw them, model the stairs, and read the 3D view.

Six colors, six dBm bands. Which ones you can ignore, and which room an extender will actually fix.

Two numbers decide it. Which one to trust, and the size of gain that is actually worth money.

Pick the layout closest to your home, correct three things, and read a coverage map in about two minutes.

A knock, a fridge magnet and a 1/16 inch drill bit — the minute that decides whether the map is honest.

Measurement versus prediction, why an iPhone shows you less than an Android, and the loop that uses both.