DeviceInBox

Realtek RTL8821AU Wireless LAN 802.11ac USB 2.0 Network Adapter driver

Hardware ID USB\VID_0BDA&PID_0823

This chip belongs to the Realtek Bluetooth family. The family page has the latest drivers and notes on common problems.

Vendor
Realtek Semiconductor Corp. (VID 0BDA)
Device
RTL8821AU Wireless LAN 802.11ac USB 2.0 Network Adapter (PID 0823)
Bus
USB
Drivers
12
Windows
Windows XPWindows VistaWindows 7Windows 8Windows 8.1Windows 10Windows 11

Recommended driver

Realtek USB Wi-Fi Driver (RTL8188EU and compatible adapters)
Version 1030.52.1216.2025 · Jan 9, 2026 · Windows 10, 11 · 64-bit
Get driver

All drivers for VID_0BDA&PID_0823

DriverVersionDateWindowsBits
Realtek USB Wi-Fi Driver (RTL8188EU and compatible adapters) 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
Realtek Wireless USB Network Adapter Driver 1030.36.0604.2018 Jul 30, 2019 Windows 7–10 32-bit & 64-bit
Realtek Bluetooth Device Driver 1.6.1015.3, 1.3.887.3, 1.3.905.4003 Nov 19, 2018 Windows 7, 8.1, 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
Realtek Bluetooth Device Driver 1.5.1006.3 Nov 24, 2017 Windows 7–10 32-bit & 64-bit
Realtek RTL USB Wireless LAN 802.11n Adapter Driver 1027.4.0912.2016 Sep 29, 2016 Windows 7–10 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
Realtek RTL USB Wireless LAN 802.11n Adapter Driver 1027.4.1120.2014 Feb 16, 2015 Windows XP–8.1 32-bit & 64-bit
USB WiFi 802.11n Realtek Drivers 1026.13.0625.2014 Jul 30, 2014 Windows XP–8.1 32-bit & 64-bit

Is this your device?

  1. Press Win + X and open Device Manager.
  2. Right-click the device (usually under Other devices, with a yellow mark), choose Properties and open the Details tab.
  3. Select Hardware Ids in the list. If the first line starts with USB\VID_0BDA&PID_0823, the drivers above are for your device.

More about hardware IDs · Fix common device errors

Other Realtek devices with drivers