D-Link DWA-121 Wireless N 150 USB Adapter(rev.B) driver

Hardware ID USB\VID_2001&PID_331B

Vendor
D-Link (VID 2001)
Device
DWA-121 Wireless N 150 USB Adapter(rev.B) (PID 331B)
Bus
USB
Drivers
8
Windows
Windows XPWindows VistaWindows 7Windows 8Windows 8.1Windows 10Windows 11

Recommended driver

Version 1030.52.1216.2025 · Jan 9, 2026 · Windows 10, 11 · 64-bit
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All drivers for VID_2001&PID_331B

DriverVersionDateWindowsBits
Realtek Wi-Fi Driver (RTL8188EU, AC-1200, AC1200, AC1750, AC1900 and more) 1030.52.1216.2025 Jan 9, 2026 Windows 10, 11 64-bit
Realtek WiFi USB Adapter Drivers 1030.45.0422.2022 May 6, 2022 Windows 10 32-bit & 64-bit
Realtek WiFi USB Drivers 1030.40.0128.2019, 1030.31.0102.2018 Mar 7, 2021 Windows XP–10 32-bit & 64-bit
Realtek USB Wireless Lan Driver 1030.40.0128.2019, 1030.38.0304.2019, 1030.21.0302.2017 Apr 30, 2020 Windows XP–10 32-bit & 64-bit
D-Link DWA-181 Ax USB Wireless Adapter Driver 1.00 Nov 9, 2019 Windows 7, 8, 10 32-bit & 64-bit
Realtek Wireless USB Network Adapter Driver 1030.36.0604.2018 Jul 30, 2019 Windows 7–10 32-bit & 64-bit
Realtek Wireless USB Network Adapter Driver 1030.31.0102.2018 Nov 6, 2018 Windows XP–10 32-bit & 64-bit
DWA-121 B1 USB Wireless Adapter Driver 2.03 Jul 24, 2018 Windows XP–10 32-bit & 64-bit

Is this your device?

  1. Press Win + X and open Device Manager.
  2. Right-click the device (often listed under Other devices with a yellow sign) → PropertiesDetails.
  3. Select Hardware Ids in the list. If the first line starts with USB\VID_2001&PID_331B, the drivers above are for your device.

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