08ca:0021 — APT-2 Tablet

This is the USB identifier for a APT-2 Tablet manufactured by Aiptek International, Inc.. The vendor ID 08ca is registered to Aiptek International, Inc. with the USB Implementers Forum, and 0021 is the product ID that Aiptek International, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 08ca:0021 Aiptek International, Inc. APT-2 Tablet.

Linux

$ lsusb
Bus 001 Device 004: ID 08ca:0021 Aiptek International, Inc. APT-2 Tablet

You can filter directly with lsusb -d 08ca:0021, or get the full descriptor dump with lsusb -v -d 08ca:0021. Kernel messages from dmesg show the same pair as idVendor=08ca, idProduct=0021.

Windows

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

USB\VID_08CA&PID_0021
USB\VID_08CA&PID_0021&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_08CA&PID_0021"

macOS

$ system_profiler SPUSBDataType
    APT-2 Tablet:
      Product ID: 0x0021
      Vendor ID: 0x08ca  (Aiptek International, Inc.)

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.

The exact lines this page is generated from, in the upstream source file:

08ca  Aiptek International, Inc.
	0021  APT-2 Tablet

• 08ca:0001 Tablet
• 08ca:0010 Tablet
• 08ca:0020 APT-6000U Tablet
• 08ca:0022 Tablet
• 08ca:0023 Tablet
• 08ca:0024 Tablet
• 08ca:0100 Pen Drive

See all 31 devices from Aiptek International, Inc. →