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.

Halfway in signal, not halfway in distance — and the three situations where that rule falls apart.

One weak room or a whole floor that never worked? That answer picks the hardware for you.

Signal floor vs noise floor, the four usual causes ranked, and how to prove it is coverage.

A floor costs more than three walls. The stairwell is the way around it, and that decides the plan.

Four steps, about five minutes, and one honest verdict on whether an extender helps at all.

Full bars from the extender and still nothing loads? Work down this list before you return it.

What -50, -67 and -80 dBm really buy you, plus SNR and how to read RSSI on iPhone or Android.

Doubling your distance costs about 6 dB. One mirrored closet door can cost 30. The numbers, per material.

Ten ordered tests, cheapest first, and what each result means for where an extender should go.

Node counts by floor area, the -55 to -65 dBm node-to-node target, and why chains beat stars.

Why the closet by the front door is the worst spot — and what to do when the cable jack traps you.

Why the far bedroom fails at 40 feet, and the hallway outlet that fixes most apartments.