Official manufacturer image
A coordinated network across multiple rooms
TP-Link Deco X20
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Head to head
WiFi Mesh Versus Extender: Which Setup Suits Your Home?
For a single weak-signal spot, a range extender can be a simple add-on. For coverage across several rooms and one coordinated network, a mesh kit such as TP-Link Deco X20 is the stronger fit.
Official manufacturer image
Official manufacturer image
Fixing one dead zone while keeping an existing router
TP-Link RE605X
Check price on Amazon AUSponsored link · no live price shown
The verdict
Choose an extender for a targeted coverage gap when your router otherwise meets your needs. Choose mesh when you want multiple nodes to coordinate coverage across the home; the best choice depends on the floor plan, router and placement.
Fixing one dead zone while keeping an existing router: TP-Link RE605X
RE605X is designed to connect wirelessly to an existing router and has a range-extender mode.
A coordinated network across multiple rooms: TP-Link Deco X20
Deco units work together as one whole-home network with one network name.
Wired access point flexibility: TP-Link RE605X
RE605X can operate as an access point through its Gigabit Ethernet port.
Compare them side by side
| Official manufacturer imageTP-Link Deco X20 | Official manufacturer imageTP-Link RE605X | |
|---|---|---|
| What it does | Mesh units create a coordinated whole-home network | Repeats an existing router's Wi-Fi; can also work as an access point |
| Wi-Fi generation | Wi-Fi 6 | Wi-Fi 6 |
| Wireless class | AX1800 | AX1800 |
| Published band rates | 574 Mbps at 2.4 GHz; 1,201 Mbps at 5 GHz | 574 Mbps at 2.4 GHz; 1,201 Mbps at 5 GHz |
| Ethernet | 2 Gigabit ports per unit | 1 Gigabit Ethernet port |
| Best starting point | Coverage gaps across several parts of a home | A local dead zone with an existing router |
| Mesh behaviour | Multiple Deco units use one network name | OneMesh roaming requires a compatible TP-Link router |
| Check price on Amazon AU | Check price on Amazon AU |
Common questions
Questions before you buy
Is mesh WiFi better than a range extender?
Mesh is generally the better fit when several areas need coverage and you want nodes to coordinate under one network name. An extender is often the simpler option for one local weak-signal area.
Does a WiFi range extender create a separate network?
It can use a different network name, depending on setup and model. TP-Link RE605X supports OneMesh roaming with a compatible TP-Link router, while the standard extender setup may be managed separately.
Can I use a mesh system with my existing router?
Many mesh kits can be connected to an existing modem or router, but the required mode and setup depend on the kit and network. Check the mesh maker’s compatibility instructions before installation.
Will an extender make my internet faster?
An extender can improve the signal in a poorly covered area, but it does not increase the speed supplied by your internet plan. Placement and the wireless link back to the router affect the speed devices receive.
Where should I place a WiFi extender?
Place it where it still receives a stable signal from the router and can reach the area you want to cover. A spot inside the dead zone may leave the extender with a weak connection to repeat.
Sources and how we chose
- TP-Link Australia Deco X20 · 2026-10-18
- TP-Link Australia RE605X · 2026-10-18
Keep exploring
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