5543:0004 — Tablet WP5540U
UC-Logic Technology Corp.
- Vendor ID
- 5543
- Product ID
- 0004
- Combined
- 5543:0004
- Decimal
- 21827:4
What is this device?
This is the USB identifier for a Tablet WP5540U manufactured by UC-Logic Technology Corp.. The vendor ID 5543 is registered to UC-Logic Technology Corp. with the USB Implementers Forum, and 0004 is the product ID that UC-Logic Technology Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 5543:0004 UC-Logic Technology Corp. Tablet WP5540U.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 5543:0004 UC-Logic Technology Corp. Tablet WP5540U
You can filter directly with lsusb -d 5543:0004, or get the full descriptor dump with lsusb -v -d 5543:0004. Kernel messages from dmesg show the same pair as idVendor=5543, idProduct=0004.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_5543&PID_0004 USB\VID_5543&PID_0004&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_5543&PID_0004"
macOS
$ system_profiler SPUSBDataType
Tablet WP5540U:
Product ID: 0x0004
Vendor ID: 0x5543 (UC-Logic Technology 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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
5543 UC-Logic Technology Corp. 0004 Tablet WP5540U