067b:2303 — PL2303 Serial Port / Mobile Phone Data Cable

Prolific Technology, Inc.

Vendor ID: 067b
Product ID: 2303
Combined: 067b:2303
Decimal: 1659:8963

What is this device?

This is the USB identifier for a PL2303 Serial Port / Mobile Phone Data Cable manufactured by Prolific Technology, Inc.. The vendor ID 067b is registered to Prolific Technology, Inc. with the USB Implementers Forum, and 2303 is the product ID that Prolific Technology, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 067b:2303 Prolific Technology, Inc. PL2303 Serial Port / Mobile Phone Data Cable.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port / Mobile Phone Data Cable

You can filter directly with lsusb -d 067b:2303, or get the full descriptor dump with lsusb -v -d 067b:2303. Kernel messages from dmesg show the same pair as idVendor=067b, idProduct=2303.

Windows

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

USB\VID_067B&PID_2303
USB\VID_067B&PID_2303&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_067B&PID_2303"

macOS

$ system_profiler SPUSBDataType
    PL2303 Serial Port / Mobile Phone Data Cable:
      Product ID: 0x2303
      Vendor ID: 0x067b  (Prolific Technology, Inc.)

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:

067b  Prolific Technology, Inc.
	2303  PL2303 Serial Port / Mobile Phone Data Cable

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