7392:7811 — EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS] (Edimax Technology Co., Ltd)

What is this device?

This is the USB identifier for a EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS] manufactured by Edimax Technology Co., Ltd. The vendor ID 7392 is registered to Edimax Technology Co., Ltd with the USB Implementers Forum, and 7811 is the product ID that Edimax Technology Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]

You can filter directly with lsusb -d 7392:7811, or get the full descriptor dump with lsusb -v -d 7392:7811. Kernel messages from dmesg show the same pair as idVendor=7392, idProduct=7811.

Windows

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

USB\VID_7392&PID_7811
USB\VID_7392&PID_7811&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_7392&PID_7811"

macOS

$ system_profiler SPUSBDataType
    EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]:
      Product ID: 0x7811
      Vendor ID: 0x7392  (Edimax Technology Co., Ltd)

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:

7392  Edimax Technology Co., Ltd
	7811  EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]

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