ITEM OVERVIEW
Upgrade your computer's wireless connectivity with the TP-Link Archer TX20U Plus AX1800 Dual-Band WiFi 6 USB 3.0 Adapter, designed to deliver high-speed wireless networking for compatible Windows desktop and laptop computers.
This adapter combines modern WiFi 6 technology, dual external high-gain antennas, and USB 3.0 connectivity in a desktop-friendly design. It provides a convenient solution for adding or upgrading wireless capabilities without installing an internal PCIe network card.
The Archer TX20U Plus supports manufacturer-rated wireless speeds of up to 1201 Mbps on the 5 GHz band and 574 Mbps on the 2.4 GHz band, providing an AX1800-class wireless connection.
Its dual adjustable antennas, Beamforming technology, MU-MIMO, and OFDMA support are designed to improve wireless reception, connection efficiency, and network performance when used with compatible networking equipment.
The adapter is compatible with Windows 11 and Windows 10 and features driver installation support to simplify initial setup.
Its external design makes it particularly useful for desktop computers positioned beneath desks or in locations where internal wireless adapters may experience reduced reception.
CONDITION
New in Open Box (NIOB)
TP-Link Archer TX20U Plus AX1800 WiFi 6 USB Adapter in new, open-box condition.
The original packaging has been opened.
Please review all listing photographs for packaging condition, included contents, and additional product details.
PRODUCT TX20U Plus
Product Type
Wireless USB Network Adapter
Wireless Generation
WiFi 6
Wireless Standard
IEEE 802.11ax
Additional Standards
IEEE 802.11a/b/g/n/ac
Frequency Bands
2.4 GHz and 5 GHz
Maximum 5 GHz Signal Rate
1201 Mbps
Maximum 2.4 GHz Signal Rate
574 Mbps
Interface
USB 3.0
Antennas
2 High-Gain Dual-Band Antennas
Antenna Design
Adjustable
Antenna Adjustment
Up to 180 Degrees
Wireless Technology
OFDMA, MU-MIMO, Beamforming
Security
WPA3, WPA2, WPA
Wireless LED
Supported Operating Systems
Windows 11 and Windows 10
Dimensions
3.3 × 6.2 × 0.76 Inches
Condition
New in Open Box
WIFI 6 WIRELESS PERFORMANCE
The TP-Link Archer TX20U Plus incorporates WiFi 6 technology, also known as IEEE 802.11ax, designed to improve wireless networking efficiency, capacity, and performance.
Compared with earlier wireless networking generations, WiFi 6 introduces improvements intended to support modern networking environments containing numerous connected devices.
The TX20U Plus provides AX1800-class wireless connectivity across two frequency bands.
5 GHz PERFORMANCE
The 5 GHz band supports theoretical wireless signal rates of up to 1201 Mbps when connected to compatible networking equipment.
This band is particularly useful for bandwidth-intensive activities, video streaming.
Online gaming.
Large file downloads.
Video applications.
Everyday high-speed internet access.
Actual wireless speeds depend on the router, internet connection, network conditions, interference, and other environmental factors.
2.4 GHz PERFORMANCE
The 2.4 GHz band supports theoretical wireless signal rates of up to 574 Mbps.
This frequency provides an alternative when connecting to wireless networks that prioritize broader coverage or compatibility with existing networking equipment.
Its longer wavelength can offer coverage advantages in certain environments where walls, furniture, and other obstacles affect wireless reception.
The dual-band design allows the adapter to connect using the appropriate available wireless network.
The AX1800 classification combines the maximum theoretical signal rates of both bands. It does not represent a single connection speed.
DUAL HIGH-GAIN ANTENNAS
The Archer TX20U Plus features two adjustable external high-gain dual-band antennas.
These antennas are designed to improve wireless signal reception and provide positioning flexibility.
Unlike compact USB adapters with internal antennas, the TX20U Plus incorporates a larger desktop-style configuration that allows users to adjust antenna orientation.
The antennas can be rotated and positioned through an adjustment range of up to 180 degrees.
This design is particularly useful for desktop computers installed beneath desks or positioned near objects that may interfere with wireless reception.
The adapter also incorporates Beamforming technology, which works with compatible networking equipment to concentrate wireless signals toward connected devices.
Combining adjustable antennas with Beamforming provides additional flexibility when establishing a wireless connection.
ADVANCED WIRELESS TECHNOLOGY
MU-MIMO TECHNOLOGY
Multi-User Multiple Input Multiple Output, commonly known as MU-MIMO, allows compatible wireless networking equipment to communicate more efficiently with multiple devices.
When used with compatible routers, this technology can help maintain network performance in environments where several devices are simultaneously accessing wireless resources.
OFDMA TECHNOLOGY
Orthogonal Frequency Division Multiple Access, or OFDMA, is a WiFi 6 technology designed to improve how network resources are allocated among connected devices.
OFDMA can help reduce network congestion and improve efficiency, particularly in environments with multiple active wireless technology improves wireless signal direction by concentrating transmission toward connected devices rather than distributing signals equally in every direction.
The Archer TX20U Plus combines this feature with its adjustable high-gain antennas to support reliable wireless reception.
These advanced networking technologies require compatible wireless networking equipment to deliver their intended benefits.
USB 3.0 CONNECTIVITY
The Archer TX20U Plus incorporates USB 3.0 connectivity to support high-speed communication between the adapter and a compatible computer.
USB 3.0 provides substantially greater theoretical data transfer capacity than USB 2.0, helping prevent the computer's USB connection from becoming a bottleneck during high-speed wireless operation.
The adapter's external USB design eliminates the need to install an internal wireless expansion card.
This makes it useful for compatible computers without available PCIe expansion slots or for users who prefer external networking equipment.
The desktop-style configuration also provides additional flexibility when determining the adapter's placement.
FUNCTIONAL USE / WHERE IT EXCELS
DESKTOP COMPUTER WIFI UPGRADES
The Archer TX20U Plus is suitable for upgrading desktop computers that lack integrated wireless networking or use older wireless technology.
Its external design allows the adapter to be positioned independently of the computer case, potentially improving reception in configurations where the computer is positioned beneath a desk.
HOME OFFICE CONNECTIVITY
The adapter supports everyday home office activities, including video conferencing, cloud-based applications, web browsing, and online collaboration.
Its WiFi 6 capabilities provide access to modern wireless networking features when connected to compatible routers.
GAMING AND ENTERTAINMENT
The adapter's 5 GHz wireless capabilities, OFDMA support, and MU-MIMO technology make it suitable for gaming and entertainment applications.
Wireless performance and latency depend on network conditions, router compatibility, internet service, and other environmental factors.
LAPTOP NETWORKING UPGRADES
Compatible Windows laptops can also use the Archer TX20U Plus as an external wireless networking adapter.
Its USB connection provides an alternative to replacing an internal wireless card.
The larger external antenna arrangement may be useful in situations where additional antenna positioning flexibility is desirable.
COMPATIBILITY & TECHNICAL NOTES
SUPPORTED OPERATING SYSTEMS
The TP-Link Archer TX20U Plus officially supports:
Driver availability and installation requirements may vary according to the adapter's hardware revision and operating system configuration.
The adapter is not being advertised as compatible with macOS, Linux, or unsupported versions of Windows.
WIRELESS ROUTER COMPATIBILITY
The adapter supports the following wireless networking standards:
IEEE 802.11ax.
IEEE 802.11ac.
IEEE 802.11n.
IEEE 802.11g.
IEEE 802.11b.
IEEE 802.11a.
Its backward compatibility allows connections to many existing wireless networks using earlier supported WiFi standards.
A WiFi 6 router is required to access WiFi 6-specific capabilities.
The adapter does not independently provide internet service. An existing compatible wireless network and internet connection are required for internet access.
DRIVER INSTALLATION
TP-Link provides official driver downloads and setup resources for the Archer TX20U Plus.
Drivers should be selected according to the adapter's hardware revision and installed operating system.
Users upgrading their computer's wireless connectivity should verify that their system meets the applicable driver and USB requirements.
WIRELESS SECURITY
The adapter supports WPA3 wireless security when used with compatible networking equipment.
It also supports earlier wireless security standards, including WPA2 and WPA.
Available security options depend on the connected wireless network and router configuration.
KEY FEATURES
Brand: TP-Link.
Model: Archer TX20U Plus.
Wireless Classification: AX1800.
Technology: WiFi 6 / IEEE 802.11ax.
Dual-Band Connectivity: 2.4 GHz and 5 GHz.
Maximum 5 GHz Rate: 1201 Mbps.
Maximum 2.4 GHz Rate: 574 Mbps.
Antennas: Two adjustable high-gain dual-band antennas.
Antenna Adjustment: Up to 180 degrees.
Interface: USB 3.0.
Advanced Features: MU-MIMO, OFDMA, and Beamforming.
Security: WPA3 support.
Supported Operating Systems: Windows 11 and Windows 10.
Design: External desktop-style wireless adapter.
Dimensions: Approximately 3.3 × 6.2 × 0.76 inches.
Condition: New in Open Box.
WHAT'S INCLUDED
One TP-Link Archer TX20U Plus AX1800 Dual-Band WiFi 6 USB Adapter in its original opened retail packaging.
The manufacturer's standard retail configuration includes a USB 3.0 cable and quick installation guide. Only accessories present in the listing photographs are included.
SHIPPING & HANDLING
Ships within two business days via USPS or UPS depending on destination, package size, and service availability. Items are professionally packed and stored in a smoke-free environment prior to shipment.
SOURCING & CONDITION DISCLOSURE
UpstateFindsNY inventory may be sourced through a variety of secondary-market channels, including estate sales, retail closeouts, liquidations, storage acquisitions, overstock, shelf pulls, customer returns, business liquidations, secondhand markets, and similar sources.
Reasonable efforts are made to accurately identify, inspect, research, photograph, and describe each item before it is listed for sale. Product information is reviewed whenever practical so buyers have a clear understanding of what is being offered.
Because merchandise may come from a variety of secondary-market sources, pre-owned, open-box, new-old-stock, shelf-pull, liquidation, and similar items may show minor signs of previous handling, storage, age, prior ownership, or packaging wear when applicable. These general characteristics are separate from any specific condition details described earlier in the listing.
Buyers are encouraged to review all listing photographs and item-specific condition information carefully, as the photos form an important part of the overall description.
