Aterm WL54SU2 802.11g Wireless Adapter [Atheros AR5523]

USB ID 0409:021d · NEC Corp.

VendorNEC Corp.
Vendor ID0409
Device ID021d
Windows hardware IDUSB\VID_0409&PID_021D
Linux modaliasusb:v0409p021D
Linux driverno driver with exact ID

Frequently asked questions

Which device has USB ID 0409:021d?

USB ID 0409:021d is “Aterm WL54SU2 802.11g Wireless Adapter [Atheros AR5523]” made by NEC Corp. (vendor ID 0409, device ID 021d).

Which Linux driver supports Aterm WL54SU2 802.11g Wireless Adapter [Atheros AR5523]?

Linux kernel 6.12 lists no driver for this exact ID. Most USB devices (keyboards, mice, storage, webcams, audio) still work through generic class drivers such as usbhid, usb-storage, uvcvideo or snd-usb-audio. Overview of device classes and their drivers

How do I check whether Aterm WL54SU2 802.11g Wireless Adapter [Atheros AR5523] is in my computer?

On Linux, lsusb -d 0409:021d shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_0409&PID_021D.

How do I see which driver is currently in use?

lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.

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