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Realtek 8812BU Wireless LAN 802.11ac USB NIC driver

Hardware ID USB\VID_0BDA&PID_B812

Vendor
Realtek (VID 0BDA)
Device
8812BU Wireless LAN 802.11ac USB NIC (PID B812)
Bus
USB
Drivers
9
Windows
Windows XPWindows VistaWindows 7Windows 8Windows 8.1Windows 10Windows 11

Recommended driver

Realtek Wi-Fi Driver (RTL8188EU, AC-1200, AC1200, AC1750, AC1900 and more)
Version 1030.52.1216.2025 · Jan 9, 2026 · Windows 10, 11 · 64-bit
Get driver

All drivers for VID_0BDA&PID_B812

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
TP-LINK Archer T4U Plus 1030.41.0514.2020 Aug 21, 2020 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
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
DEXP WFA-1301 1030.25.0701.2017 Dec 25, 2017 Windows XP–10 32-bit & 64-bit
Mercusys MW300UM Wireless Mini USB Adapter Driver V3, 1030.2.0731.2015 Oct 29, 2015 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) → Properties → Details.
  3. Select Hardware Ids in the list. If the first line starts with USB\VID_0BDA&PID_B812, the drivers above are for your device.

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