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AX1800 Dual Antennas High Gain Wireless USB Adapter

by TP-Link
SKU: Archer TX20U Plus
Various lead times may apply to this product. Please contact us for more details.
FCC Verified logo CE Verified logo RoHS Compliant


AX1800 Dual Antennas High Gain Wireless USB Adapter

Forget about buying a new PC. TX20U Plus delivers powerful dual band Wi-Fi 6 straight to your device for exceptional connectivity and speed up to 1800Mbps.

Coverage Powered by Beamforming

High-gain antennas combine with beamforming to concentrate Wi-Fi signals towards your router for better reception and reliable connections from far away.

Escape the Congestion with MU-MIMO

Experience flawless streams, gameplay and uploads while your network simultaneously processes bandwidth for multiple devices.

Wireless Application Network Map

Lower Your Ping with OFDMA

Working with a compatible router, your PC receives data at the same time as other devices on the same stream. This means next-to-nothing lag for videos and games.

A Perfect Match for Faster Speeds 

USB 3.0 ensures there’s no bottleneck between TX20U Plus and your PC. With adjustable, multi-directional antennas, you can rotate and adjust the antennas 180° for the best reception from any location.

Simple Design and Placement

Find the best spot for network reception with TX20U Plus’s desktop-friendly design and 1-meter USB cable.



  • Lightning-Fast Wi-Fi 6 – Stream flawless video with 1800 Mbps wireless speeds (1201 Mbps on 5 GHz + 574 Mbps on 2.4 GHz)
  • Flexible Dual Band – Ensure your PC has the best connection with 5 GHz and 2.4 GHz bands
  • Dual High-Gain Antennas – Connect from farther away with high-quality signals and transmissions
  • MU-MIMO – Maintain high download and upload speeds even when other devices are eating up your bandwidth△
  • OFDMA – Reduce your latency for impeccable conferencing and gameplay on crowded networks
  • SuperSpeed USB 3.0 – Up to 10× faster transfer speeds than USB 2.0
  • Refined Security – Protect your personal data with the latest WPA3 encryption



LED Status
Dimensions 3.3 x 6.2 x 0.76 in ( 84 x 156.3 x 19.2 mm)
Antenna 2 x High-Gain Dual-Band Antennas
Wireless Standards IEEE 802.11a/n/ac/ax
Signal Rate 5 GHz:
11ax: Up to 1201 Mbps(dynamic)
11ac: Up to 867 Mbps(dynamic)
11n: Up to 300 Mbps(dynamic)
11a: Up to 54 Mbps(dynamic)
2.4 GHz:
11ax: Up to 574 Mbps(dynamic)
11n: Up to 400 Mbps(dynamic)
11g: Up to 54 Mbps(dynamic)
11b: Up to 11 Mbps(dynamic)
Reception Sensitivity 5 GHz:
11ax HE80 MCS0: -90 dBm
11ax HE80 MCS11: -59 dBm
11a 54Mbps: -77 dBm
11ac VHT80 MCS0: -92dBm
11ac VHT80 MCS9: -64dBm
2.4 GHz:
11ax HE40 MCS0: -94 dBm
11ax HE40 MCS11: -66 dBm
11g 54Mbps: -79 dBm
11n HT40 MCS9: -74dBm
Transmit Power 5 GHz: 19dBm(FCC) /16dBm(CE) (EIRP)
2.4 GHz : 19dBm(FCC) / 14.5dBm(CE) (EIRP)
Wireless Modes Infrastructure mode
Wireless Security WEP, WPA/WPA2/WPA3, WPA-PSK/WPA2-PSK
Certification FCC, CE, RoHS
Package Contents

AX1800 Dual Antennas High Gain Wireless USB Adapter (Archer TX20U Plus)

Quick Installation Guide

1-meter USB 3.0 Cable

System Requirements Supported operating systems include Windows 10, 11
Environment Operating Temperature: 0℃~40℃ (32℉ ~104℉)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing
Warranty 2-Year

What’s In The Box

What’s In The Box

  • AX1800 Dual Antennas High Gain Wireless USB Adapter (Archer TX20U Plus)

  •  Quick Installation Guide

  •  1-meter USB 3.0 Cable