You’ve probably heard mesh WiFi is the answer to all your coverage problems. Sometimes it is. Often it isn’t. Here’s what I think you should actually know before spending $300–800 on a mesh system.
Typical spend on a mesh kit. Roughly half the homes that ask me about mesh actually need it. The other half spend less and get the same result.
Mesh is great. It’s also oversold. Before you spend a cent, try moving your existing router two metres — that solves more problems than people expect.
What is mesh WiFi?
What 'mesh' actually means in your house
All units share one WiFi name and password — your phone never has to switch between them.
Two or three small units placed around the house, each broadcasting.
When you walk from kitchen to bedroom, your phone seamlessly connects to the closest unit.
All units talk to each other, optimise channels and steer devices automatically.
A mesh system uses multiple units (usually 2–3) that work together as one network. Unlike a traditional setup where one router does all the work, mesh spreads the load across your home.
Key difference from extenders: Mesh units talk to each other intelligently. They hand off your device seamlessly as you move around, share the same network name, and automatically route traffic through the fastest path.
Think of it like this: a single router is one person shouting across your house. A mesh system is three people standing in different rooms, passing messages to each other. Much more reliable.
Mesh vs extender: what’s the difference?
This is the question I get asked most. Here’s the honest comparison:
WiFi extenders (range extenders)
How they work: Receive your router’s signal and rebroadcast it.
| Pros | Cons |
|---|---|
| Cheap ($30–80) | Cuts your speed in half |
| Easy to set up | Creates a separate network name |
| No new equipment needed | Devices don’t switch smoothly |
| Often unreliable |
The speed problem: Most extenders use the same radio to receive AND transmit. While they’re sending to your device, they can’t receive from the router. Result: your speed drops by 50% or more.
Mesh systems
How they work: Multiple units form a single, intelligent network.
| Pros | Cons |
|---|---|
| Full speed throughout | More expensive ($200–800) |
| Seamless roaming | Needs multiple units |
| One network name | Overkill for small homes |
| Self-healing (if one unit fails) | |
| Often includes better features |
The speed advantage: Good mesh systems use a dedicated channel for the units to talk to each other (or, even better, a wired link), so your devices get the full speed of the channel they’re using.
I rarely recommend extenders anymore. They’re cheap, but they create more problems than they solve. A $50 extender giving you half-speed, unreliable WiFi in your bedroom isn’t actually solving your problem. You’ll end up buying a mesh system anyway.
Do you actually need mesh?
Not every home needs mesh. Here’s how to tell.
You probably DO need mesh if:
- Your home is over 150 square metres
- You have WiFi dead zones (rooms with no signal)
- You have a multi-storey home and signal doesn’t reach upstairs/downstairs
- Your home has thick walls (brick, concrete, double-brick)
- You need WiFi in a shed, granny flat, or outdoor area
- You have 20+ devices connecting at once
You probably DON’T need mesh if:
- Your home is under 100 sqm
- Your only problem is slow speeds everywhere (that’s likely your internet, not WiFi)
- You just need one room covered better (a single access point might be enough)
- Your router is poorly placed and moving it would solve the problem
- You’re renting short-term and don’t want to invest
The placement test
Before buying mesh, try this: temporarily move your router to a central location. If that fixes your coverage, you might just need to relocate your router permanently — not buy a whole new system. There’s a wider walkthrough in my why is my WiFi so slow guide.
How to choose a mesh system
Key features to look for
1. WiFi 6 or newer
- Better performance with multiple devices
- Improved range
- More efficient battery use on phones/laptops
2. Tri-band (if budget allows)
- Two 5GHz bands + one 2.4GHz
- Dedicated band for units to talk to each other
- Noticeably better performance than dual-band
3. Ethernet ports
- At least 2 ports on the main unit
- Lets you wire the mesh units together with ethernet (faster, more reliable than wireless)
- Connect your TV, gaming console, or work computer directly
4. Easy app setup
- All modern mesh systems have apps
- Look for one with good reviews
- Avoid anything that requires technical knowledge to configure
What you don’t need
- WiFi 7 — Too new, too expensive, and most of your devices probably don’t support it yet
- Gaming mode — Marketing gimmick for most people
- Built-in smart home hub — Usually poorly implemented
- Subscription features — Some brands charge monthly for basic security features (avoid these)
Mesh systems I’m comfortable installing
These are families of products I’ve had good experiences with in Australian homes. I’m not naming model numbers because they change every year — ask me at booking time and I’ll point you at whatever’s current.
Best overall value: TP-Link mesh
Reliable, easy app, good coverage, reasonable prices. I’ve installed dozens with very few callbacks. The 3-pack is the sweet spot for most family homes.
Premium option: Ubiquiti UniFi
Professional-grade reliability, excellent for larger homes or anyone who wants to expand later. Requires more setup knowledge — best installed by someone who’s done it before.
Also good: Google’s mesh range
Very easy setup, clean design, good integration with Google Home. A solid set-and-forget option.
Be cautious of
- Premium mesh from one well-known networking brand — good performance but the app is consistently frustrating and the price tag is high
- One major US-named mesh brand — privacy concerns and aggressive subscription upselling
- Cheap no-name brands — you really do get what you pay for
Buy from local retailers (JB Hi-Fi, Officeworks, Amazon AU) for warranty support. Importing from overseas might save $50 but you’ll have no warranty if something fails.
Setting up mesh properly
Even the best mesh system will disappoint if set up wrong. Here’s what matters.
Placement rules
Main unit (router):
- Near your NBN connection box
- Elevated, not on the floor
- Away from metal objects and TVs
Satellite units:
- Within range of each other (not too far apart)
- Central to the areas they’re covering
- Elevated (shelf height, not floor)
- Not hidden in cupboards
The overlap principle
Mesh units need to “see” each other with decent signal. If you put them too far apart, the connection between them will be weak, and your speeds will suffer.
Good: Units can strongly connect to at least one other unit Bad: Units barely reaching each other at the edge of their range
Wire the mesh units together if you can
If you can run an ethernet cable between your mesh units, do it. This gives you:
- Maximum speed between units
- More reliable connection
- Better overall performance
Even a single cable from your main unit to one satellite makes a big difference.
Common mesh mistakes
1. Buying too few units
A 2-pack might not be enough for a large home. Under-covering leads to weak spots. Better to buy a 3-pack upfront than add a unit later.
2. Placing units too far apart
Mesh units need strong connections to each other. If they’re barely in range, your speeds will suffer. Move them closer together.
3. Hiding units in cupboards
“But it’s ugly” — I hear this a lot. Unfortunately, cupboards kill signal. A visible mesh unit giving good coverage beats a hidden one giving poor coverage.
4. Not using ethernet when available
If your TV cabinet has an ethernet port, plug the mesh unit in. Wired connections are always faster and more reliable than wireless.
5. Keeping the old router running
When you set up mesh, your old router should either be turned off or switched to “modem only” mode. Running both creates interference and confusion.
When mesh isn’t the answer
Sometimes people buy mesh expecting miracles. It won’t fix:
- Slow NBN — If your internet connection is slow, mesh won’t speed it up
- ISP congestion — Peak time slowdowns are your provider’s problem (more in does your NBN provider actually matter?)
- Too many devices on slow plans — NBN 25 split across 15 devices will be slow regardless
- Neighbour interference — Mesh doesn’t eliminate WiFi congestion from surrounding homes
If your internet is slow when wired directly to the router, mesh won’t help. Fix the source problem first — see why is my WiFi so slow?.
The bottom line
Mesh is worth it if:
- You have genuine coverage problems (dead zones, weak signal in rooms)
- Your home is large or has challenging construction
- You’ve tried moving your router and it didn’t help
- You want reliable whole-home coverage without technical headaches
Mesh is overkill if:
- Your home is small and a single router covers it fine
- Your problem is internet speed, not WiFi coverage
- You only need better signal in one specific spot
Need help deciding?
Not sure if mesh is right for your home? I can assess your situation and recommend the right solution — whether that’s mesh, a single access point, or just moving your existing router.
WiFi assessment — $149 flat
- Full coverage scan of your home
- Identify dead zones and weak spots
- Test your current equipment
- Recommend the right solution (mesh or otherwise)
- Help with setup if you need it
Book an assessment or call 0489 998 445
Common questions
How many mesh units do I need?+
Rough rule for most Australian homes: 2 units for up to 200 sqm, 3 units for 200–350 sqm. Multi-storey, brick or thick-walled homes usually need one extra unit per floor. Better to buy a 3-pack upfront than add a single unit later.
Can I add more mesh units later?+
Yes — most mesh systems let you add units, as long as you stick to the same brand and product family. Just be aware that buying singles later usually costs more per unit than the original multi-pack.
Will mesh work with my NBN connection?+
Yes, mesh systems work with all NBN connection types. The mesh main unit plugs into your NBN modem (or replaces the ISP-supplied router entirely if it has a built-in modem). It doesn't matter whether you're on FTTP, HFC, FTTC, FTTN or Fixed Wireless.
Should I replace the router my ISP provided?+
Usually yes. ISP-supplied routers are typically built to a budget and are noticeably outperformed by even mid-range mesh systems. You can either replace it entirely or put it in 'bridge mode' so it acts as a modem only.
What about powerline adapters?+
Powerline adapters (using your home's electrical wiring to carry network signal) can work but they're inconsistent. Performance depends heavily on your home's wiring age, circuit layout, and how many appliances are running. Mesh — or running real ethernet cable — is more reliable in almost every case.
Do mesh units have to be the same brand?+
Yes. Mesh systems use vendor-specific protocols to coordinate roaming and steering. You can't mix a TP-Link unit with a Google one and expect them to behave like a single network.
Serving Geelong, Surf Coast, and Bellarine Peninsula.
Why Oh WiFi · 0489 998 445 · hello@whyohwifi.com.au