09da:2690 — PK-635G
A4Tech Co., Ltd.
- Vendor ID
- 09da
- Product ID
- 2690
- Combined
- 09da:2690
- Decimal
- 2522:9872
What is this device?
This is the USB identifier for a PK-635G manufactured by A4Tech Co., Ltd.. The vendor ID 09da is registered to A4Tech Co., Ltd. with the USB Implementers Forum, and 2690 is the product ID that A4Tech Co., Ltd. assigned to this particular model. When you run lsusb on Linux, this device appears as 09da:2690 A4Tech Co., Ltd. PK-635G.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 09da:2690 A4Tech Co., Ltd. PK-635G
You can filter directly with lsusb -d 09da:2690, or get the full descriptor dump with lsusb -v -d 09da:2690. Kernel messages from dmesg show the same pair as idVendor=09da, idProduct=2690.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_09DA&PID_2690 USB\VID_09DA&PID_2690&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_09DA&PID_2690"
macOS
$ system_profiler SPUSBDataType
PK-635G:
Product ID: 0x2690
Vendor ID: 0x09da (A4Tech Co., Ltd.)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:
09da A4Tech Co., Ltd. 2690 PK-635G