USB\VID_0BDA&PID_0811

USB Wireless Dual-Band Adapter 2.4/5Ghz driver

USB\VID_0BDA&PID_0811 is the Realtek Semiconductor Corp. Realtek 8812AU/8821AU 802.11ac WLAN Adapter, a Wi-Fi adapter device. Many USB Wi-Fi adapters work only after the maker's driver for that hardware version is installed. Get it from Windows Update or your PC maker first; the chip maker's own package is on support.microsoft.com.

Download from support.microsoft.comFull guide: Find the right Wi-Fi driver

Device details

Hardware IDUSB\VID_0BDA&PID_0811
Device nameRealtek 8812AU/8821AU 802.11ac WLAN Adapter [USB Wireless Dual-Band Adapter 2.4/5Ghz]
MakerRealtek Semiconductor Corp. (USB vendor ID 0BDA)
Device typeWi-Fi adapter
Driver guideFind the right Wi-Fi driver

How to install the driver for USB Wireless Dual-Band Adapter 2.4/5Ghz

  1. Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with USB\VID_0BDA&PID_0811.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Some adapters get a driver here; many do not.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Networking.
  4. Use the chip maker's package. Update drivers through Device Manager in Windows (Microsoft) on support.microsoft.com. Our find the right wi-fi driver guide explains which package fits.
  5. Restart and check. Unplug and reconnect the adapter, then look for wireless networks.

Other Realtek wi-fi adapter IDs

Device names: The Linux USB ID list, public data. We never host driver files: downloads come from the maker.