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Black USB stick with fold-up antenna sticking out

UGREEN 75109 Wi-Fi 6 Bluetooth 5.4 USB Adapter

SKU CH-AEXP-N40KY

Adds Wi-Fi 6 and Bluetooth 5.4 to a desktop PC via USB 2.0 with a 6dBi adjustable antenna for up to 600 Mbps on 5 GHz and 287 Mbps on 2.4 GHz

  • Typeusb2.0_a
  • Wireless Data Rates600 megabits_per_second
  • Interfaceusb2.0_a
  • Features600 megabits_per_second
  • Dimensions21.0 in x 17.5 in x 11.0 in
  • Weight0.068 kilograms
  • WiFi 6 AX900 reaches 600 Mbps on 5 GHz with a compatible router
  • Bluetooth 5.4 pairs keyboards, headsets and controllers while staying compatible with 5.3 and 5.2
  • 6 dBi adjustable antenna improves wall penetration and keeps links stable across rooms
  • Built-in driver enables plug-and-play setup on Windows 10 and 11 without extra downloads
  • USB 2.0 interface lets the adapter receive Wi-Fi and share it as a hotspot for other devices

What this adapter does

The UGREEN 75109 adds Wi-Fi 6 and Bluetooth 5.4 to a desktop PC through a USB 2.0 Type A port. It delivers up to 600 megabits per second on 5 GHz and 287 megabits per second on 2.4 GHz when paired with a Wi-Fi 6 router. The 6dBi adjustable antenna helps signals reach through walls up to 492 feet away. Windows 10 and 11 are supported with built-in drivers.

Check your system first

Verify the PC has a free USB 2.0 Type A port and runs Windows 10 or 11 (x86 or x64). The adapter does not support macOS, Linux or any Windows version older than 10. A Wi-Fi 6 router is required to reach the AX900 class speeds. Keep the adapter within 30 feet of the router for best results.

Sustained-load behaviour

The external 6dBi antenna maintains a steadier link through walls during long transfers or extended Bluetooth sessions. WPA-PSK, WPA2-PSK and mixed WPA/WPA2 encryption run continuously without extra software overhead. Bluetooth 5.4 stays backward compatible with 5.3, 5.2, 5.0 and 4.0 peripherals for ongoing multi-device pairing.

Highlights

  • WiFi 6 AX900 reaches 600 Mbps on 5 GHz with a compatible router
  • Bluetooth 5.4 pairs keyboards, headsets and controllers while staying compatible with 5.3 and 5.2
  • 6 dBi adjustable antenna improves wall penetration and keeps links stable across rooms
  • Built-in driver enables plug-and-play setup on Windows 10 and 11 without extra downloads
  • USB 2.0 interface lets the adapter receive Wi-Fi and share it as a hotspot for other devices

Specifications

BrandUGREEN
Model75109
Part Number75109
Typeusb2.0_a
Wireless Data Rates600 megabits_per_second
Interfaceusb2.0_a
Features600 megabits_per_second
Dimensions21.0 in x 17.5 in x 11.0 in
Weight0.068 kilograms

Questions about this item

Does the UGREEN 75109 include the 6dBi antenna or must I buy it separately?

The 6dBi high-gain antenna is attached to the adapter, so nothing extra is required for Wi-Fi or Bluetooth 5.4 operation.

Should I choose the 5 GHz band for the 600 Mbps rate or the 2.4 GHz band for 287 Mbps?

Use the 5 GHz band with a Wi-Fi 6 router to reach the 600 Mbps headline speed; the 2.4 GHz band tops out at 287 Mbps but offers longer range.

What does the AX900 label mean when the adapter is plugged into a desktop PC?

AX900 is the combined theoretical maximum of 600 Mbps on 5 GHz plus 287 Mbps on 2.4 GHz; real-world throughput will be lower and depends on router capability and distance.

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