2001:3c00 — AirPlus G DWL-G122 Wireless Adapter(rev.B1) [Ralink RT2571] (D-Link Corp.)

What is this device?

This is the USB identifier for a AirPlus G DWL-G122 Wireless Adapter(rev.B1) [Ralink RT2571] manufactured by D-Link Corp.. The vendor ID 2001 is registered to D-Link Corp. with the USB Implementers Forum, and 3c00 is the product ID that D-Link Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 2001:3c00 D-Link Corp. AirPlus G DWL-G122 Wireless Adapter(rev.B1) [Ralink RT2571].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 2001:3c00 D-Link Corp. AirPlus G DWL-G122 Wireless Adapter(rev.B1) [Ralink RT2571]

You can filter directly with lsusb -d 2001:3c00, or get the full descriptor dump with lsusb -v -d 2001:3c00. Kernel messages from dmesg show the same pair as idVendor=2001, idProduct=3c00.

Windows

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

USB\VID_2001&PID_3C00
USB\VID_2001&PID_3C00&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2001&PID_3C00"

macOS

$ system_profiler SPUSBDataType
    AirPlus G DWL-G122 Wireless Adapter(rev.B1) [Ralink RT2571]:
      Product ID: 0x3c00
      Vendor ID: 0x2001  (D-Link 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:

2001  D-Link Corp.
	3c00  AirPlus G DWL-G122 Wireless Adapter(rev.B1) [Ralink RT2571]

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