WiFi extender or mesh? Read this before buying either

The back bedroom gets one bar, video calls freeze in the home office, and somebody on a forum says "just get an extender". Sometimes that is right. Often it is how households end up with worse WiFi than they started with, plus a gadget in a drawer. Here is the honest version.

What an extender actually does

A WiFi extender listens to your router's signal and repeats it. That has two consequences the box never mentions:

• It can halve your speed. A basic extender uses the same radio to talk to the router and to your devices, so everything through it takes two hops on shared airtime.
• It usually creates a second network. Your phone clings to whichever one it connected to first — so you sit in the lounge, still connected to the weak bedroom extender, wondering why nothing improved.

Extenders earn their keep in one situation: a single small dead spot, close enough to the router that the extender itself gets a strong signal. One room over a garage. The far end of a small apartment. That is the honest use case.

What mesh does differently

A mesh system replaces your router's WiFi with two or three units that work as one network with one name. Your devices hand over from unit to unit as you move through the house, the units talk to each other on their own dedicated link in the better systems, and the whole thing manages itself.

For most multi-room Australian homes — especially brick walls, double storeys, or Queenslanders with WiFi-hostile layouts — mesh is the right answer, and prices have come down a long way.

Before you buy anything, check these

1. Where does the router live? On the floor, in a cupboard, behind the TV — placement alone fixes a surprising number of "dead zones", and it is free. Shoulder height, central, out in the open.
2. Is it actually a WiFi problem? Run a speed test standing next to the router, then in the problem room. If it is slow next to the router too, your WiFi is fine and the problem is the internet connection itself.
3. How old is the router? A provider-supplied router from years ago may be the bottleneck; some mesh systems replace it entirely.

When it is worth having someone look

The wrong equipment in the wrong spot is how WiFi money gets wasted — a $250 mesh kit placed badly performs worse than a $0 router move. What we do on a WiFi visit is measure: signal room by room, where the interference is, what the walls are doing, and whether the fault is the WiFi or the connection. Then you know what to buy before you buy it — and because we don't sell internet plans or take commissions on hardware, the recommendation has nothing riding on it except being right.

Same flat rate as everything we do, and most home WiFi jobs are finished inside the hour.

Written by the technicians at Afford IT, Indooroopilly. We service homes and small businesses across Greater Brisbane.