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Small black USB Wi-Fi adapter with fold-out 2dBi antenna

EN-Labs

EN-Labs RTL8811CU 600Mbps Dual Band USB WiFi Adapter with 2dBi Antenna

SKU CH-WYKV-4VFPP

Dual-band USB 2.0 Wi-Fi adapter with a 2 dBi external antenna, driverless on Windows and Mac, delivering up to 433 Mbps at 5 GHz and 150 Mbps at 2.4 GHz

  • Driverless setup on Windows XP through 11 and Mac OS
  • 2 dBi external gain antenna extends wireless range
  • Dual-band 2.4 GHz and 5 GHz operation
  • Up to 433 Mbps on 5 GHz and 150 Mbps on 2.4 GHz
  • Soft AP mode creates a Wi-Fi hotspot from a wired link

Dual-Band USB WiFi Adapter for Legacy and Modern PCs

This EN-Labs RTL8811CU adapter adds 802.11ac wireless to any desktop or laptop with a free USB 2.0 port. It reaches 433 Mbps on the 5 GHz band and 150 Mbps on 2.4 GHz with the supplied 2 dBi external gain antenna. The driverless design works immediately on Windows XP through Windows 11 and on Mac OS, so older machines gain modern dual-band connectivity without hunting for drivers. Soft-AP mode also lets the dongle share a wired link as a Wi-Fi hotspot.

Buyers needing simple dual-band Wi-Fi on older

The adapter suits users who want a quick, antenna-equipped upgrade for basic browsing, streaming or hotspot duties on hardware that lacks built-in 5 GHz support. It will not satisfy anyone who requires USB 3.0 throughput, aggregate speeds above 600 Mbps, or enterprise-grade encryption beyond WPA2-PSK. Builders planning high-density or high-throughput deployments should look at a different class of device.

USB 2.0 interface caps real-world throughput

Because the dongle connects over USB 2.0, its practical ceiling is the bus limit rather than the 433 Mbps 5 GHz PHY rate. If your use case demands sustained throughput that exceeds USB 2.0 bulk-endpoint capacity, this adapter cannot deliver it. Otherwise the RTL8811CU chipset, 2 dBi antenna and broad OS support make it a competent drop-in solution for everyday dual-band wireless.

How it compares

Measured against everything we stock in USB Adapter Cables & Dongles, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 75% of the 1,430 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the EN-Labs RTL8811CU adapter include everything needed to connect, or must I buy a separate cable or driver disc?

The adapter has a built-in USB 2.0 plug and a 2dBi external gain antenna, so no extra cable is required. Windows XP through 11 are driverless; Mac OS may need a download.

Should I choose this 600 Mbps dual-band model or a single-band alternative for my laptop?

This model delivers 433 Mbps on 5 GHz and 150 Mbps on 2.4 GHz, giving you both bands for less congestion and higher peak speed than single-band 150 Mbps adapters.

What real-world throughput can I expect from the advertised 600 Mbps rating once the adapter is plugged into my PC?

The 600 Mbps figure combines the 5 GHz 433 Mbps and 2.4 GHz 150 Mbps maximum PHY rates; actual throughput will be lower and depends on router capabilities, distance, and interference.

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