0506:0a11 — 3CRWE254G72 802.11g Adapter

3Com Corp.

Vendor ID: 0506
Product ID: 0a11
Combined: 0506:0a11
Decimal: 1286:2577

What is this device?

This is the USB identifier for a 3CRWE254G72 802.11g Adapter manufactured by 3Com Corp.. The vendor ID 0506 is registered to 3Com Corp. with the USB Implementers Forum, and 0a11 is the product ID that 3Com Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0506:0a11 3Com Corp. 3CRWE254G72 802.11g Adapter.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0506:0a11 3Com Corp. 3CRWE254G72 802.11g Adapter

You can filter directly with lsusb -d 0506:0a11, or get the full descriptor dump with lsusb -v -d 0506:0a11. Kernel messages from dmesg show the same pair as idVendor=0506, idProduct=0a11.

Windows

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

USB\VID_0506&PID_0A11
USB\VID_0506&PID_0A11&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0506&PID_0A11"

macOS

$ system_profiler SPUSBDataType
    3CRWE254G72 802.11g Adapter:
      Product ID: 0x0a11
      Vendor ID: 0x0506  (3Com 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:

0506  3Com Corp.
	0a11  3CRWE254G72 802.11g Adapter

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