14b2:3c02 — Conceptronic C54RU v2 802.11bg Wireless Adapter [Ralink RT2571]

Ralink Technology, Corp.

Vendor ID: 14b2
Product ID: 3c02
Combined: 14b2:3c02
Decimal: 5298:15362

What is this device?

This is the USB identifier for a Conceptronic C54RU v2 802.11bg Wireless Adapter [Ralink RT2571] manufactured by Ralink Technology, Corp.. The vendor ID 14b2 is registered to Ralink Technology, Corp. with the USB Implementers Forum, and 3c02 is the product ID that Ralink Technology, Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 14b2:3c02 Ralink Technology, Corp. Conceptronic C54RU v2 802.11bg Wireless Adapter [Ralink RT2571].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 14b2:3c02 Ralink Technology, Corp. Conceptronic C54RU v2 802.11bg Wireless Adapter [Ralink RT2571]

You can filter directly with lsusb -d 14b2:3c02, or get the full descriptor dump with lsusb -v -d 14b2:3c02. Kernel messages from dmesg show the same pair as idVendor=14b2, idProduct=3c02.

Windows

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

USB\VID_14B2&PID_3C02
USB\VID_14B2&PID_3C02&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_14B2&PID_3C02"

macOS

$ system_profiler SPUSBDataType
    Conceptronic C54RU v2 802.11bg Wireless Adapter [Ralink RT2571]:
      Product ID: 0x3c02
      Vendor ID: 0x14b2  (Ralink Technology, Corp.)

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:

14b2  Ralink Technology, Corp.
	3c02  Conceptronic C54RU v2 802.11bg Wireless Adapter [Ralink RT2571]

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