2def:0102 — KTWM102 Module

This is the USB identifier for a KTWM102 Module manufactured by Kirale Technologies. The vendor ID 2def is registered to Kirale Technologies with the USB Implementers Forum, and 0102 is the product ID that Kirale Technologies assigned to this particular model. When you run lsusb on Linux, this device appears as 2def:0102 Kirale Technologies KTWM102 Module.

Linux

$ lsusb
Bus 001 Device 004: ID 2def:0102 Kirale Technologies KTWM102 Module

You can filter directly with lsusb -d 2def:0102, or get the full descriptor dump with lsusb -v -d 2def:0102. Kernel messages from dmesg show the same pair as idVendor=2def, idProduct=0102.

Windows

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

USB\VID_2DEF&PID_0102
USB\VID_2DEF&PID_0102&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2DEF&PID_0102"

macOS

$ system_profiler SPUSBDataType
    KTWM102 Module:
      Product ID: 0x0102
      Vendor ID: 0x2def  (Kirale Technologies)

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:

2def  Kirale Technologies
	0102  KTWM102 Module

• 2def:0000 KiNOS Boot DFU

See all 2 devices from Kirale Technologies →