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White cylindrical mesh router unit with matte finish and subtle LED indicator on top

TP-Link

TP-Link Deco X20(1-pack) mesh Wi-Fi system

SKU CH-D46F-7WN78 MPN Deco X20(1-pack)

Single Deco X20 unit delivers Wi-Fi 6 mesh coverage up to 2,200 sq. ft. with AX1800 speeds and expandable whole-home roaming

  • WAN interfaces2 LAN/WAN Gigabit Ethernet Ports
  • Router & satellite counts1-Pack (1 Router)
  • Covered area2,200 sq. ft.
  • Wi-fi standardsIEEE 802.11 ax/ac/n/a 5 GHz, IEEE 802.11 ax/n/g/b 2.4 GHz
  • Wireless speed1,201 Mbit/s (5 GHz) 574 Mbit/s (2.4 GHz)
  • Radio bands2.4 GHz / 5 GHz

Model Deco X20(1-pack)

  • Covers 2,200 sq. ft. with seamless Wi-Fi 6 mesh
  • Quad-core processor powers 1,201 Mbps on 5 GHz band
  • WPA3 encryption and lifetime antivirus protect every connected device
  • OFDMA and MU-MIMO serve many devices at once
  • Two Gigabit ports enable wired backhaul or direct device links

Single-unit mesh node

The Deco X20 is a Wi-Fi 6 mesh node sold as a single unit that can function as a router or access point. It targets homes up to 2,200 square feet where a single device can replace an older standalone router and extender combo. The Qualcomm quad-core CPU handles traffic for multiple simultaneous connections.

AX1800 dual-band limits

The node delivers 1,201 Mbps on the 5 GHz band and 574 Mbps on the 2.4 GHz band using 1024-QAM and OFDMA. Two Gigabit Ethernet ports serve as configurable WAN or LAN links, capping wired throughput at 1 Gbps. Transmit power follows FCC and CE limits, and the unit operates between 0 °C and 40 °C with up to 90 % humidity.

Upgrade from single-router setups

This unit replaces a traditional router plus separate extender by creating a unified mesh that supports seamless roaming and self-healing paths. Adding further Deco X20 nodes expands coverage without reconfiguration. The jump is worth it when dead zones persist despite a centrally placed legacy router.

How it compares

Measured against everything we stock in Mesh Wi-Fi Systems, at today’s prices. Recalculated every night.

Price $59.99
Cheaper than about 95% of the 99 comparable items (median $190.99).

Specifications

Product
Brand nameTP-Link
Model nameDeco X20 (1-pack)
Product typeMesh Router
Connectivity
Wi-fi standardsIEEE 802.11 ax/ac/n/a 5 GHz, IEEE 802.11 ax/n/g/b 2.4 GHz
Wireless speed1,201 Mbit/s (5 GHz)
574 Mbit/s (2.4 GHz)
Radio bands2.4 GHz / 5 GHz
Antenna configuration4 internal antennas per Deco unit
Ports & slots
WAN interfaces2 LAN/WAN Gigabit Ethernet Ports
Size & build
Measurements4.33 in × 4.33 in × 4.49 in
Shipping weight1.16 kg
Package size221 × 196 × 124 mm
In the box
Router & satellite counts1-Pack (1 Router)
Environment & compliance
Operating temperature range0 °C to 40 °C (32 °F to 104 °F)
Operating humidity range10%~90% non-condensing
More details
Covered area2,200 sq. ft.
Security featuresWPA-PSK, WPA2-PSK, WPA3
Control buttons1 Reset button on the underside

Other versions of this model

3 more in the same range

Questions about this item

Should I choose the 1-pack Deco X20 or add more units for my home size?

The 1-pack covers up to 2,200 sq. ft. with a single unit; add more Deco X20 units to extend coverage beyond that area.

What does the AX1800 rating mean for everyday speeds on the 5 GHz and 2.4 GHz bands?

The AX1800 label combines 1201 Mbps on 5 GHz and 574 Mbps on 2.4 GHz; real-world throughput will be lower due to overhead and interference.

How do the two Gigabit Ethernet ports limit my wired backhaul or WAN connection?

Both ports are 1 Gbps LAN/WAN, so wired backhaul and ISP links are capped at 1 Gbps per port.

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