Archer AX21 AX1800 Dual-Band Wi-Fi 6 Router
Highlights
- Dual-Band Wi-Fi 6: Equipped with the latest wireless technology, Wi-Fi 6, for faster speeds, greater capacity, and reduced network congestion.‡
- Next-Gen 1.8 Gbps Speeds: Enjoy smooth streaming, downloading, and gaming all without buffering with Wi-Fi speeds of 1.8 Gbps.†
- Connect More Devices: Wi-Fi 6 technology communicates more data to more devices using revolutionary OFDMA technology while simultaneously reducing lag.‡
- Quad-Core Processing: The 1.5 GHz quad-core CPU ensures communications between your router and all connected devices are smooth.
- Extensive Coverage: Beamforming, independent FEM, and four antennas combine to deliver focused reception to devices far away.
- Increased Battery Life: Target Wake Time technology reduces your devices’ power consumption to extend their battery life.‡
- USB Easy Sharing: A USB 2.0 Port enables easy file sharing within your network or building private Cloud Storage.
- Easy Setup: Set up your router in minutes with the powerful TP-Link Tether App.
- Improved Vent Design: Unleashes the full power of the whole machine.

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.
WPA3—New Level of Cyber Security
The latest Wi-Fi security protocol, WPA3, brings new capabilities to improve cybersecurity in personal networks. More secure encryption in Wi-Fi password safety and enhanced protection against brute-force attacks combine to safeguard your home Wi-Fi.
Easily Setup and Use
Whether you prefer the intuitive Tether App or the powerful web interface, you can set up your Archer AX21 in minutes. The Tether App allows you to manage network settings from any Android or iOS device.
Specifications

WIRELESS | |
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Standards | Wi-Fi 6 IEEE 802.11ax/ac/n/a 5 GHz IEEE 802.11ax/n/b/g 2.4 GHz |
WiFi Speeds | AX1800 5 GHz: 1201 Mbps (802.11ax) 2.4 GHz: 574 Mbps (802.11ax) |
WiFi Range | 3 Bedroom Houses4× Fixed High-Performance Antennas Multiple antennas form a signal-boosting array to cover more directions and large areas Beamforming Concentrates wireless signal strength towards clients to expand WiFi range High-Power FEM Improves transmission power to strengthen signal coverage |
WiFi Capacity | HighDual-Band Allocate devices to different bands for optimal performance OFDMA Simultaneously communicates with multiple Wi-Fi 6 clients Airtime Fairness Improves network efficiency by limiting excessive occupation 4 Streams Connect your devices to more bandwidth |
Working Modes | Router Mode Access Point Mode |
HARDWARE | |
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Processor | 1.5 GHz Quad-Core CPU |
Ethernet Ports | 1× Gigabit WAN Port 4× Gigabit LAN Ports |
USB Support | 1× USB 2.0 Port Supported Partition Formats: NTFS, exFAT, HFS+, FAT32 Supported Functions: Apple Time Machine FTP Server Media Server |
Buttons | WPS/Wi-Fi Button Power On/Off Button LED On/Off Button Reset Button |
Power | 12 V ⎓ 1.5 A |
SECURITY | |
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WiFi Encryption | WPA WPA2 WPA3 WPA/WPA2-Enterprise (802.1x) |
Network Security | SPI Firewall Access Control IP & MAC Binding Application Layer Gateway |
Guest Network | 1× 5 GHz Guest Network 1× 2.4 GHz Guest Network |
VPN Server | OpenVPN PPTP |
SOFTWARE | |
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Protocols | IPv4 IPv6 |
Parental Controls | URL Filtering Time Controls |
WAN Types | Dynamic IP Static IP PPPoE PPTP L2TP |
Quality of Service | QoS by Device |
Cloud Service | Auto Firmware Upgrade OTA Firmware Upgrade TP-Link ID DDNS |
NAT Forwarding | Port Forwarding Port Triggering DMZ UPnP |
IPTV | IGMP Proxy IGMP Snooping Bridge Tag VLAN |
DHCP | Address Reservation DHCP Client List Server |
DDNS | TP-Link NO-IP DynDNS |
Management | Tether App Webpage Check Web Emulator> |
PHYSICAL | |
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Dimensions (W×D×H) | 10.2 × 5.3 ×1.5 in (260.2 × 135.0 × 38.6 mm) |
Package Contents | Wi-Fi Router Archer AX21 Power Adapter RJ45 Ethernet Cable Quick Installation Guide |
OTHER | |
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System Requirements | Internet Explorer 11+, Firefox 12.0+, Chrome 20.0+, Safari 4.0+, or other JavaScript-enabled browser Cable or DSL Modem (if needed) Subscription with an internet service provider (for internet access) |
Certifications | FCC, CE, RoHS |
Environment | Operating Temperature: 0℃~40℃ (32℉ ~104℉) Storage Temperature: -40℃~70℃ (-40℉ ~158℉) Operating Humidity: 10%~90% non-condensing Storage Humidity: 5%~90% non-condensing |
TEST DATA | |
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WiFi Transmission Power | CE: <20dBm(2.4 GHz) <23dBm(5.15 GHz~5.25 GHz) FCC: <30dBm(2.4 GHz & 5.15 GHz~5.825 GHz) |
See also
- Linksys E7350 Dual-Band AX1800 WiFi 6 Router
- D-Link DIR-X1560 EXO Mesh AX-1500 WiFi 6 Router
- TP-link Archer AX20 AX1800 Dual-Band Wi-Fi 6 Router