TP LINK 

TP LINK TP-Link RT Archer AX21 AX1800 Dual-Band Wi-Fi 6 Router 1.5GHz Retail

Mfg Part Number:  ARCHER AX21  
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Price: $138.55 + Free Shipping
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More to Come
Last Updated: Mar 17, 2026
No Sales Tax except these states
, PO and Wire.

Explore the New Era of Wi-Fi

AX1800 Dual-Band Wi-Fi 6 Router

Archer AX21

Faster Speeds. More Connected Devices. Powerful Processing.

Dual-Band Wi-Fi 6

Up to 1.8 Gbps Speeds

Connect More, Stay Fast

Quad-Core CPU

Reduced Power Consumption

Refined Password Security

Wi-Fi 6 Upgrades Everything

The latest generation of Wi-Fi technology brings faster speeds, less lag, and higher capacity, enabling more simultaneous connections on your home network.

Dual-Band Wi-Fi 6 Up to 1.8 Gbps

Every application feels more fluid with drastically improved Wi-Fi speeds. Both 2.4 GHz band and 5 GHz band get upgraded to the latest generation-perfect for 4K streaming, online gaming, and fast downloading.

Extensive Wi-Fi Coverage with Advanced Technologies

Beamforming technology, high-power Front-End Module, and four high-gain antennas combine to adapt Wi-Fi coverage to perfectly fit your home and concentrate signal strength towards your devices.

Beamforming

High-Power FEM

4× Antennas

Connect More, Stay Fast

Easily handle dozens of devices streaming and gaming at the same time-OFDMA future-proofs your home networks by providing greater capacity to connect more devices.

OFDMA

OFDMA separates a single spectrum into multiple units and enables different devices to share one transmission stream, increasing efficiency and reducing latency.

1.5 GHz Quad-Core CPU | Powerful Processing for Minimal Latency

A powerful 1.5 GHz quad-core CPU generates minimal latency within your network even under heavy load of transmission. Every click for website links and online playback on your laptop and phone just responds quicker.

Traditional 2×2 AC Router

0.9 GHz

Single-Core CPU

Archer AX21

1.5 GHz

Triple-Core CPU

Versatile Connectivity | Easy File Sharing

Share music, movies, and documents easily on every device across your home network.

Full Gigabit Ports

Connect to your devices using a wired network for robust stability.

TP-Link OneMesh™ : Flexibly Create a Whole-Home Wi-Fi

OneMesh™ is a simple way to form a Mesh network with a single Wi-Fi name for seamless whole-home coverage. Just connect a OneMeshTM range extender to a OneMesh™ router. No more searching around for a stable connection.

Wi-Fi Dead-Zone Killer

Eliminate weak signal areas with Wi-Fi coverage for the whole house

Smart Roaming

Uninterrupted streaming when moving around your home

One Wi-Fi Name

No more switching Wi-Fi network names

Unified Management

Manage the whole-home Wi-Fi by managing the central node via Tether app/Web UI

More from the Manufacturer

Main Specification
General Information
Manufacturer TP-LINK Technologies Co., Ltd
Manufacturer Part Number ARCHER AX21
Manufacturer Website Address http://www.tp-link.com/us
Brand Name TP-Link
Product Line Archer
Product Model AX21
Product Name AX1800 Dual-Band Wi-Fi 6 Router
Product Type Wireless Router
Technical Information
Wi-Fi Generation Wi-Fi 6
Network Band Dual Band
Wireless Specifications
Broadband Transmission Technology Ethernet
Wireless LAN Standard IEEE 802.11ax
ISM Band Yes
UNII Band Yes
ISM Maximum Frequency 2.40 GHz
UNII Maximum Frequency 5 GHz
Total Number of Antennas 4
Number of External Antennas 4
Total Wireless Transmission Speed 225 MB/s
Encryption Standard WPA2
Encryption Standard WPA2-ENT
Encryption Standard WPA
Encryption Standard WPA3
Firewall Type SPI
Interfaces/Ports
Number of Network (RJ-45) Ports 4
USB Yes
Number of Broadband (RJ-45) Ports 1
Network & Communication
Ethernet Technology Gigabit Ethernet
VPN Supported Yes
Physical Characteristics
Form Factor Desktop
Height 1.5"
Width 10.2"
Depth 5.3"
Miscellaneous
Package Contents
  • AX1800 Dual-Band Wi-Fi 6 Router
  • Power Adapter
  • RJ45 Ethernet Cable
  • Quick Installation Guide
Additional Information Legal Disclaimer:

Actual network speed may be limited by the rate of the product's Ethernet WAN or LAN port, the rate supported by the network cable, Internet service provider factors and other environmental conditions.

Environmentally Friendly Yes
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Country of Origin China
Warranty
Limited Warranty 2 Year
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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