How each one works
A mesh system, such as TP-Link Deco, is a set of matching units. One connects to your internet line; the others are placed around the house and link back to it, over WiFi or over a network cable if you have one. Everything is set up from a phone app in a few minutes.
An access point system uses a router (or gateway) plus ceiling or wall access points, each connected by a network cable and usually powered by a PoE switch. It takes planning and cabling, but each access point has a full-speed wired connection and the whole system is managed from one controller.
Side by side
| Mesh system | Router + access points | |
|---|---|---|
| New cabling needed | No (wired backhaul optional) | Yes, one cable per access point |
| Setup | Phone app, minutes | Planned install, controller setup |
| Speed far from the main unit | Drops with each wireless hop unless wired | Full speed at every access point |
| Number of users | A household, a small shop or café | Dozens to hundreds |
| Guest login page, vouchers, logs | Basic guest network only | Yes, with a hotspot router |
| Separate staff / guest / CCTV networks (VLANs) | Limited | Yes |
| Mounting | Shelf or table | Ceiling or wall |
| Best for | Flats, villas, rented homes, small shops | Hotels, offices, PGs, schools, restaurants |
Choose mesh when
- It is a home: a 2-4 BHK flat, a duplex or a villa with dead spots.
- You cannot (or are not allowed to) run new cables, for example in a rented flat.
- You want to set it up yourself today and manage it from your phone.
- A handful of people use it at once.
Sizing from our listings: the Deco X10 2-pack is aimed at 2-3 BHK flats, the Deco X50 2-pack at 3-4 BHK homes and villas, and the WiFi 7 Deco BE25 (sold as single units, with two 2.5G ports) suits fast fibre plans; add units for more coverage. If the house already has network cables between rooms, connect the units with them (wired backhaul) for the best speed. See all WiFi & mesh.
Choose access points when
- It is a business with guests or staff online all day: hotel, office, PG, hostel, school, hospital, restaurant.
- You need a login page for guests, speed limits, or usage logs.
- You want guests kept away from your billing PCs and CCTV.
- The building is large, has many floors, or has concrete walls between every room.
- You can run a network cable to each access point, now or during renovation.
Start with our access point guide, then the PoE switch guide. For hotels, the hotel WiFi hotspot page explains guest login.
The middle ground
The line is not absolute. Business access points from UniFi, Omada and Grandstream can also link wirelessly to each other where a cable is impossible (Grandstream lists controller-free mesh on the GWN7660E), and Deco units can be wired together. A common pattern in hotels and offices is cabled access points everywhere you can, and one wireless-linked access point for the hard-to-reach terrace or annexe.
For a big home office or a small café, either can work. If you expect to add a guest login page or more staff later, access points avoid buying twice.
Common mistakes
- Using range extenders instead of mesh: an extender creates a second network and roughly halves the speed it repeats.
- Hiding the main mesh unit in a cabinet next to the fibre box. Put it in the open, and run a cable from the fibre box if needed.
- Placing wireless mesh units too far apart. Each unit should still get a good signal from the previous one; halfway between the main unit and the dead spot is the right place.
- Running a hotel on home mesh: it works on day one, then struggles when 40 phones connect in the evening.
Questions
+Is mesh WiFi good for a small office?
For a few people in a small office, yes. Beyond that, or if you need separate staff and guest networks, ceiling access points are more reliable.
+Can I mix Deco units with other brands?
Deco units work with other Deco units. Some TP-Link routers support OneMesh or EasyMesh with compatible extenders, but for business access points stick to one brand.
+Does mesh work over network cable?
Yes. Deco supports wired backhaul: connect the units with a network cable and they use it instead of WiFi to talk to each other, which gives better speed.
+Can you survey our site and suggest which one?
Yes. WhatsApp us the floor plan or a few photos and the number of users, and we will suggest mesh or access points.
Prices change often, so this guide does not quote them. Each product page shows the current price including GST. Specifications are from the manufacturers' listings; check the product page or datasheet before you order.