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TP-Link
TP-Link Archer TX20UH AX1800 High Gain USB Wi-Fi 6 Adapter
Adds Wi-Fi 6 to a PC via USB 3.0 with dual high-gain antennas reaching up to 1000 sq ft
- TypeUSB Wi-FI Adapter
- ColorBlack
- StandardsIEEE 802.11ax
- Wireless Data RatesUp to 1201 Mbps on the 5GHz band, Up to 574 Mbps on the 2.4G
- WiFi GenerationWi-Fi 6
- SecurityWPA/WPA2/WPA3, WPA-PSK/WPA2-PSK
- Wi-Fi 6 speeds up to 1201 Mbps on 5 GHz
- Dual-band 2.4 GHz and 5 GHz for flexible connectivity
- Two high-gain antennas extend coverage up to 1000 sq ft
- OFDMA and MU-MIMO reduce latency for smoother gameplay
- USB 3.0 interface delivers up to 10x faster transfers than USB 2.0
USB Wi-Fi 6 adapter for Windows PCs
The Archer TX20UH adds Wi-Fi 6 connectivity to a desktop or laptop through a USB 3.0 port. It supports Windows 10 and 11 and delivers dual-band operation with two high-gain antennas for broader coverage up to 1000 sq ft. The compact black dongle measures 1.2" x 0.58" x 4.4".
Practical limits of the USB 3.0 interface
USB 3.0 caps the maximum throughput at 5 Gbps, so the adapter cannot exceed that ceiling even though the 5 GHz radio reaches 1201 Mbps. Real-world speeds also depend on router capabilities, channel width and environmental interference. The 2.4 GHz band tops out at 574 Mbps under the same constraints.
Capacity and headroom for everyday use
The combined 1800 Mbps rating handles streaming, browsing and lower-latency gameplay on a single PC with headroom for typical home traffic. Heavy multi-device households or users needing multi-gigabit wired backhaul will find the single USB link and radio limits restrictive. Operating temperature range is 0°C to 40°C.
Highlights
- Wi-Fi 6 speeds up to 1201 Mbps on 5 GHz
- Dual-band 2.4 GHz and 5 GHz for flexible connectivity
- Two high-gain antennas extend coverage up to 1000 sq ft
- OFDMA and MU-MIMO reduce latency for smoother gameplay
- USB 3.0 interface delivers up to 10x faster transfers than USB 2.0
Specifications
| Brand | TP-Link |
|---|---|
| Model | Archer TX20UH |
| Type | USB Wi-FI Adapter |
| Color | Black |
| Standards | IEEE 802.11ax |
| Wireless Data Rates | Up to 1201 Mbps on the 5GHz band, Up to 574 Mbps on the 2.4GHz band |
| WiFi Generation | Wi-Fi 6 |
| Security | WPA/WPA2/WPA3, WPA-PSK/WPA2-PSK |
| Interface | USB 3.0 |
| Frequency Band | 2.4 GHz / 5 GHz |
| LEDs | Status |
| Transmitted Power | 5 GHz: 19dBm(FCC) /16dBm(CE) (EIRP) 2.4 GHz : 19dBm(FCC) / 14.5dBm(CE) (EIRP) |
| Antenna | 2 x High-Gain Dual-Band Antennas |
| Operating Range | Up to 1000 sq ft |
| System Requirements | Supported operating systems include Windows 10, 11 |
| Dimensions | 1.2" x 0.58" x 4.4" |
| Temperature | Operating Temperature: 0°C~40°C (32°F ~104°F) |
| Humidity | Operating Humidity: 10%~90% non-condensing Storage Humidity: 5%~90% non-condensing |
Questions about this item
Which version of the Archer TX20UH should I pick for a desktop PC?
The adapter is sold as a single USB 3.0 model with two high-gain antennas, so there are no alternative versions or capacities to choose from.
What does the AX1800 rating mean for actual throughput on my computer?
It represents the combined peak link rates of 1201 Mbps on 5 GHz and 574 Mbps on 2.4 GHz; real-world speeds will be lower due to overhead, distance and interference.
Does the USB 3.0 interface limit the maximum wireless speed I can reach?
USB 3.0 provides up to 5 Gbps bandwidth, well above the adapter's 1201 Mbps peak on 5 GHz, so the wireless link remains the bottleneck.
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