TP-Link
TP-Link Deco S4 (3-Pack) AC1900 Mesh WiFi System
★★★★★
6 in
Blanket your entire home in fast, reliable WiFi with the TP-Link Deco S4 3-pack mesh system covering up to 5,500 sq ft.
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Overview
Key Features
A New Way to WiFi: Deco Mesh technology gives you a better WiFi experience in all directions with faster WiFi speeds and strong WiFi signal to cover your whole home.
Better Coverage than traditional WiFi routers: Deco S4 three units work seamlessly to create a WiFi mesh network that can cover homes up to 5, 500 square feet. No dead zone anymore.
Seamless and Stable WiFi Mesh: Rather than wifi range extender that need multiple network names and passwords, Deco S4 allows you to enjoy seamless roaming throughout the house, with a single network name and password.
Incredibly fast 3× 3 6 Stream AC1900 speeds makes the deco capable of providing connectivity for up to 100 devices.
With advanced Deco Mesh Technology, units work together to form a unified network with a single network name. Devices automatically switch between Decos as you move through your home for the fastest possible speeds.
Robust Parental Controls: Limit online time and block inappropriate websites according to unique profiles created for each family member. Easy to keep your children safe while they’re online.
Setup is a breeze with the Deco app available on your Android or iOS device. Turn on or off guest WiFi with Alexa voice commands.
Each Deco S4 has 2 Gigabit Ethernet ports(6 in total for a 3-pack) and supports Wired Ethernet Backhaul for better speeds. Any of them can work as a Wi-Fi Router. Works with all internet service providers, such as AT T, Verizon, Xfinity, Spectrum, RCN, Cox, CenturyLink, Frontier, etc.( a modem is required for most internet service providers)
Specifications
Brand
TP-Link
Model
Deco S4 (3-Pack)
WiFi Standard
802.11ac (WiFi 5)
Frequency Band
Dual-Band
Speed
AC1900 (3×3 6-Stream)
Coverage Area
Up to 5,500 sq ft
Max Connected Devices
100
Ethernet Ports
2 Gigabit per unit (6 total)
Backhaul
Wireless or Wired Ethernet
Special Features
Alexa Compatible, Guest Mode, Parental Controls
Dimensions
3.57 x 3.57 x 6.39 inches
Weight
4.13 lbs
Included Components
3 Deco S4R Units, 1 RJ45 Ethernet Cable, 3 Power Adapters, Quick Installation Guide
Pros & Cons
👍 Pros
- Covers up to 5,500 square feet with three units, effectively eliminating WiFi dead zones in most homes.
- Single network name with seamless roaming means devices switch between units automatically without dropouts.
- Six Gigabit Ethernet ports total across the three units, with support for wired backhaul to maximize throughput.
- Built-in parental controls allow per-family-member profiles with website blocking and time limits.
- Simple app-based setup that typically takes under 10 minutes with no networking expertise required.
👎 Cons
- Only two Ethernet ports per unit limits wired device connections without adding a separate switch.
- AC1900 WiFi standard is a generation behind the newer WiFi 6 and WiFi 6E mesh systems now available.
- No dedicated wireless backhaul band, so mesh traffic between units shares bandwidth with client devices.
- Lacks built-in antivirus or advanced threat protection found on some competing mesh systems.
Frequently Asked Questions
How many devices can the Deco S4 3-pack support simultaneously?
The Deco S4 system supports up to 100 connected devices across all three units, making it suitable for households with many smart home gadgets, phones, laptops, and streaming devices.
Do I need a separate modem to use the Deco S4?
Yes, the Deco S4 is a router system, not a modem-router combo. You will need a separate modem from your internet service provider. It is compatible with all major ISPs including AT&T, Verizon, Xfinity, Spectrum, and others.
Can I use the Deco S4 with a wired Ethernet backhaul instead of wireless?
Yes, each Deco S4 unit has two Gigabit Ethernet ports, and the system supports wired Ethernet backhaul. Running Ethernet between units can improve speeds and reduce wireless congestion.
Does the Deco S4 create one network or multiple networks?
The Deco S4 creates a single unified network with one network name and password. Your devices automatically roam between the three units as you move through your home, without manual switching.
Can I manage the Deco S4 remotely?
Yes, the Deco app for iOS and Android lets you manage your network remotely, including setting up guest WiFi, applying parental controls, and checking connected devices. It also supports Alexa voice commands.
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