TEW-804UB 802.11a/b/g/n/ac (1x1) Wireless Adapter [Realtek RTL8811AU]
USB ID 20f4:804b · TRENDnet
| Vendor | TRENDnet |
|---|---|
| Vendor ID | 20f4 |
| Device ID | 804b |
| Windows hardware ID | USB\VID_20F4&PID_804B |
| Linux modalias | usb:v20F4p804B |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 20f4:804b?
USB ID 20f4:804b is “TEW-804UB 802.11a/b/g/n/ac (1x1) Wireless Adapter [Realtek RTL8811AU]” made by TRENDnet (vendor ID 20f4, device ID 804b).
Which Linux driver supports TEW-804UB 802.11a/b/g/n/ac (1x1) Wireless Adapter [Realtek RTL8811AU]?
Linux kernel 6.12 lists no driver for this exact ID. Most USB devices (keyboards, mice, storage, webcams, audio) still work through generic class drivers such as usbhid, usb-storage, uvcvideo or snd-usb-audio. Overview of device classes and their drivers
How do I check whether TEW-804UB 802.11a/b/g/n/ac (1x1) Wireless Adapter [Realtek RTL8811AU] is in my computer?
On Linux, lsusb -d 20f4:804b shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_20F4&PID_804B.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.
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