147e:2020 — TouchChip Fingerprint Coprocessor (WBF advanced mode)

Upek

Vendor ID: 147e
Product ID: 2020
Combined: 147e:2020
Decimal: 5246:8224

What is this device?

This is the USB identifier for a TouchChip Fingerprint Coprocessor (WBF advanced mode) manufactured by Upek. The vendor ID 147e is registered to Upek with the USB Implementers Forum, and 2020 is the product ID that Upek assigned to this particular model. When you run lsusb on Linux, this device appears as 147e:2020 Upek TouchChip Fingerprint Coprocessor (WBF advanced mode).

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 147e:2020 Upek TouchChip Fingerprint Coprocessor (WBF advanced mode)

You can filter directly with lsusb -d 147e:2020, or get the full descriptor dump with lsusb -v -d 147e:2020. Kernel messages from dmesg show the same pair as idVendor=147e, idProduct=2020.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_147E&PID_2020
USB\VID_147E&PID_2020&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_147E&PID_2020"

macOS

$ system_profiler SPUSBDataType
    TouchChip Fingerprint Coprocessor (WBF advanced mode):
      Product ID: 0x2020
      Vendor ID: 0x147e  (Upek)

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:

147e  Upek
	2020  TouchChip Fingerprint Coprocessor (WBF advanced mode)

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