04c5:105b — AH-F401U Air H device
Fujitsu, Ltd
- Vendor ID
- 04c5
- Product ID
- 105b
- Combined
- 04c5:105b
- Decimal
- 1221:4187
What is this device?
This is the USB identifier for a AH-F401U Air H device manufactured by Fujitsu, Ltd. The vendor ID 04c5 is registered to Fujitsu, Ltd with the USB Implementers Forum, and 105b is the product ID that Fujitsu, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 04c5:105b Fujitsu, Ltd AH-F401U Air H device.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04c5:105b Fujitsu, Ltd AH-F401U Air H device
You can filter directly with lsusb -d 04c5:105b, or get the full descriptor dump with lsusb -v -d 04c5:105b. Kernel messages from dmesg show the same pair as idVendor=04c5, idProduct=105b.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04C5&PID_105B USB\VID_04C5&PID_105B&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04C5&PID_105B"
macOS
$ system_profiler SPUSBDataType
AH-F401U Air H device:
Product ID: 0x105b
Vendor ID: 0x04c5 (Fujitsu, 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:
04c5 Fujitsu, Ltd 105b AH-F401U Air H device