TP-Link Deco M4 Mesh WiFi System 3-Pack
- 3 Deco units in the pack
- Up to 5500 square feet per the description, 4000 in the spec
- Up to 1167 Mbps speeds
- Up to 100 devices
- 802.11ac dual band (Wi-Fi 5)
- 2 ports per unit, 1000 Mbps LAN
- Deco app setup and control
- 1.13 kg, 3.94 x 3.94 x 3.58 inches
Last refreshed Sep 23, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A three-unit mesh system that blankets a large home with one network name and app setup. The listing gives two different coverage figures.
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ASIN: B07L45LZP5Model: Deco M4Category: Whole Home & Mesh Wi-Fi Systems
Overview
A homeowner with weak spots in the house gets three Deco units that work together as a single network. Devices move between units automatically, the app walks through setup, and more Decos can be added later.
The reason to buy is simple whole-home coverage that grows by adding units, with a stated capacity for many devices. The limit is confusing documentation, with different coverage figures and importer details from another region.
Who it's for
Families with many connected devices and a big floor plan will use the multi-unit design. Small apartments will not need three units, and buyers who want clear regional documentation should check that the listing matches their market.
Pros and cons
- Three units in one pack
- One network name across the home
- App guides every setup step
- Expandable with more Decos
- Coverage figures disagree
- Only two ports per unit
- Importer details are from another region
- Voltage entry looks wrong
Performance notes
Units form one network, so devices switch between them as you move through the house for the fastest connection. Coverage depends on unit spacing, since each Deco needs a good link to the next. The speed figure is a ceiling, shared among connected devices.
Specifications
| Brand | TP-Link |
|---|---|
| Model | Deco M4 |
| Dimensions & fit | |
| Lan port bandwidth | 1000 Mbps |
| Item weight | 1.13 kg |
| Item dimensions l x W x h | 3.94 x 3.94 x 3.58 inches |
| Construction & materials | |
| Color | White |
| Included components | |
| Number Of Packs | 3 |
| Other details | |
| Data transfer rate | 1167 Mbps |
| Wi-Fi generation | Wi-Fi 5 (802.11ac) |
| Frequency band class | Dual-band |
| Router network type | Mesh |
| Number of ports | 2lower than 50% of 27 whole home & mesh wi-fi systems |
| Number of antennas | 2 (internal) |
| Coverage | Up to 5500 square feet (description, US version); 4000 square feet (spec) |
| Max connected devices | Up to 100 |
| Control method | App |
Closest rivals on specs
AirTies Air 4920 Smart Mesh Wi-Fi Access Point- Data transfer rate 1167 vs 1600 Mbps (-27%)
Google Wifi AC1200 Mesh WiFi System 3 Pack- Number of ports 2 vs 3 (-33%)
Google Wifi AC1200 Mesh WiFi System 1 Pack- Data transfer rate 1167 vs 1000 Mbps (+17%)
- Number of ports 2 vs 1 (+100%)
Frequently asked questions
How do I set up the TP-Link Deco M4?
The description says setup is guided by the Deco app, which walks you through every step. It works with major internet service providers and modems.
How much area does the TP-Link Deco M4 3-pack cover?
The description says up to 5500 square feet for the US version, while a spec field says 4000 square feet.
Can I add more Deco units to the TP-Link Deco M4?
Yes. The description says you can simply add more Decos to the network at any time to increase coverage.
How many devices does the TP-Link Deco M4 support?
The description says up to 100 devices.