0bda:0811 — Realtek 8812AU/8821AU 802.11ac WLAN Adapter [USB Wireless Dual-Band Adapter 2.4/5Ghz]
Realtek Semiconductor Corp.
- Vendor ID
- 0bda
- Product ID
- 0811
- Combined
- 0bda:0811
- Decimal
- 3034:2065
What is this device?
This is the USB identifier for a Realtek 8812AU/8821AU 802.11ac WLAN Adapter [USB Wireless Dual-Band Adapter 2.4/5Ghz] manufactured by Realtek Semiconductor Corp.. The vendor ID 0bda is registered to Realtek Semiconductor Corp. with the USB Implementers Forum, and 0811 is the product ID that Realtek Semiconductor Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0bda:0811 Realtek Semiconductor Corp. Realtek 8812AU/8821AU 802.11ac WLAN Adapter [USB Wireless Dual-Band Adapter 2.4/5Ghz].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0bda:0811 Realtek Semiconductor Corp. Realtek 8812AU/8821AU 802.11ac WLAN Adapter [USB Wireless Dual-Band Adapter 2.4/5Ghz]
You can filter directly with lsusb -d 0bda:0811, or get the full descriptor dump with lsusb -v -d 0bda:0811. Kernel messages from dmesg show the same pair as idVendor=0bda, idProduct=0811.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0BDA&PID_0811 USB\VID_0BDA&PID_0811&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0BDA&PID_0811"
macOS
$ system_profiler SPUSBDataType
Realtek 8812AU/8821AU 802.11ac WLAN Adapter [USB Wireless Dual-Band Adapter 2.4/5Ghz]:
Product ID: 0x0811
Vendor ID: 0x0bda (Realtek Semiconductor Corp.)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page. Realtek Semiconductor Corp. official support →
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
0bda Realtek Semiconductor Corp. 0811 Realtek 8812AU/8821AU 802.11ac WLAN Adapter [USB Wireless Dual-Band Adapter 2.4/5Ghz]