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TP-Link Archer TX20UH AX1800 Wi-Fi 6 USB Adapter

AX1800: TP-Link Archer TX20UH is a dual-band Wi-Fi 6 USB adapter for adding wireless connectivity to a compatible desktop PC. Its high-gain adjustable antennas and 1.2-metre USB cable are intended to give more flexibility over adapter placement, while listed peak rates total 1800 Mbps across 5 GHz and 2.4 GHz bands.

At a glance

  • Dual-band Wi-Fi 6 with listed maximum rates of 1201 Mbps on 5 GHz and 574 Mbps on 2.4 GHz.
  • Multi-angle high-gain antennas and Beamforming are intended to improve reception by directing signals towards the router.
  • A 1.2-metre USB 3.0 cable allows more choice in where the adapter sits on a desk.
  • OFDMA and MU-MIMO are specified for use with a compatible router.
  • WPA3 is listed for wireless security. The listing says Windows 10/11, though a separate compatibility field gives Windows 11 as the minimum.
Price
£24.99Save 26%

Reference price: £33.98

Price checked: 12 Nov 2026

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Pros and cons

Pros

  • The extension cable and adjustable antennas provide placement flexibility instead of requiring the adapter to sit directly at the computer's USB port.
  • Two Wi-Fi bands offer a choice between the listed 5 GHz and 2.4 GHz connections.
  • The listing specifies WPA3, OFDMA and MU-MIMO for compatible setups.

Cons

  • The stated 1800 Mbps is a combined headline rate, not a guaranteed single-device internet speed. Actual performance depends on the network and environment.

Technical specifications

19 specifications
Identity
BrandTP-Link
ModelArcher TX20UH
Product typeWiFi 6 Dual-Band Adpater, 1.2m Extension Cable, Multi-angle Antennas, USB 3.0, MU-MIMO & OFDMA, WPA3, Windows 10/11
Wireless and connectivity
InterfaceUSB
Listed data transfer rate1800 Megabits Per Second
5 GHz rate1201 Mbps
2.4 GHz rate574 Mbps
USB versionUSB 3.0
SecurityWPA3
Compatibility
Compatible deviceDesktop
Operating system familyWindows
Minimum required operating system versionWindows 11
Supported Windows versionsWindows 10/11
Dimensions and installation
Dimensions listed11.7L x 3.1W x 1.5H centimetres
Weight listed0.22 Kilograms
Extension cable1.2-meter USB 3.0 cable
Other details
ColourCloud Grey
Country of originChina
Listed warranty1 Year Manufacturer

What to know before buying

  • The listing gives Windows 10/11 in its feature text but lists Windows 11 as the minimum required version, so Windows 10 compatibility is not consistently stated. Its 1800 Mbps headline is paired with separate 1201 Mbps and 574 Mbps band rates, and the page separately claims USB 3.0 transfers up to 4.8Gbps. Treat these as distinct claims, not a guaranteed real-world connection speed. Customer feedback also reports varied compatibility, reception and speed.

What’s in the box

Included
  • Archer TX20UH

Who is it for?

A good fit for

  • Desktop PC users who need a USB Wi-Fi adapter and can confirm compatibility with their Windows version.
  • Buyers who want a cable and adjustable antennas to position a wireless adapter away from a crowded USB port.

Less suited to

  • Users who need assured compatibility with an operating system other than Windows.
  • Buyers who require a guaranteed Wi-Fi speed, stable reception at a particular distance or confirmed performance with their router.
TP-Link Archer TX20UH AX1800 Wi-Fi 6 USB Adapter · photo 2
Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 117,928 ratings
  • 5 stars67%67%
  • 4 stars15%15%
  • 3 stars7%7%
  • 2 stars3%3%
  • 1 star8%8%

Customer feedback praises ease of installation and compact size, while reports on signal strength, connectivity, operating-system compatibility and speed are mixed. That matters for a USB adapter whose placement and Windows support affect practical use. The listed Wi-Fi rates and antenna features are manufacturer claims, not proof of consistent reception or compatibility in every setup.

Positive themes

  • Customers describe it as easy to install and appreciate its compact size.

Mixed feedback

  • Customers report both strong reception and weak signals or disconnections.
  • Compatibility experiences vary, and reported speeds differ.

Frequently asked questions

Does the Archer TX20UH support Windows 10?

The listing's feature text says Windows 10/11, but a separate system requirement names Windows 11 as the minimum. Confirm Windows 10 compatibility for the selected product listing before buying.

What does AX1800 mean here?

The page lists up to 1201 Mbps on 5 GHz and 574 Mbps on 2.4 GHz, and also states a combined 1800 Mbps headline. These are listed maximums, not a promise of internet speed.

Can the adapter be placed away from the PC?

The listing describes a 1.2-metre USB 3.0 extension cable and multi-angle antennas, giving flexibility to position the adapter within the cable's reach.

Will it work with my router?

The listing describes a Wi-Fi 6 adapter with OFDMA and MU-MIMO, but says those features depend on a compatible router. Check your router and operating system compatibility.

TP-Link Archer TX20UH AX1800 Wi-Fi 6 USB Adapter · photo 3
Additional product photo 3

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