20f4:646b — TEW-646UBH High Power 150Mbps Wireless N Adapter [Realtek RTL8188SU]
TRENDnet
- Vendor ID
- 20f4
- Product ID
- 646b
- Combined
- 20f4:646b
- Decimal
- 8436:25707
What is this device?
This is the USB identifier for a TEW-646UBH High Power 150Mbps Wireless N Adapter [Realtek RTL8188SU] manufactured by TRENDnet. The vendor ID 20f4 is registered to TRENDnet with the USB Implementers Forum, and 646b is the product ID that TRENDnet assigned to this particular model. When you run lsusb on Linux, this device appears as 20f4:646b TRENDnet TEW-646UBH High Power 150Mbps Wireless N Adapter [Realtek RTL8188SU].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 20f4:646b TRENDnet TEW-646UBH High Power 150Mbps Wireless N Adapter [Realtek RTL8188SU]
You can filter directly with lsusb -d 20f4:646b, or get the full descriptor dump with lsusb -v -d 20f4:646b. Kernel messages from dmesg show the same pair as idVendor=20f4, idProduct=646b.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_20F4&PID_646B USB\VID_20F4&PID_646B&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_20F4&PID_646B"
macOS
$ system_profiler SPUSBDataType
TEW-646UBH High Power 150Mbps Wireless N Adapter [Realtek RTL8188SU]:
Product ID: 0x646b
Vendor ID: 0x20f4 (TRENDnet)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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
20f4 TRENDnet 646b TEW-646UBH High Power 150Mbps Wireless N Adapter [Realtek RTL8188SU]