050d:1103 — F9L1103 N750 DB 802.11abgn 2x3:3 [Ralink RT3573] (Belkin Components)

What is this device?

This is the USB identifier for a F9L1103 N750 DB 802.11abgn 2x3:3 [Ralink RT3573] manufactured by Belkin Components. The vendor ID 050d is registered to Belkin Components with the USB Implementers Forum, and 1103 is the product ID that Belkin Components assigned to this particular model. When you run lsusb on Linux, this device appears as 050d:1103 Belkin Components F9L1103 N750 DB 802.11abgn 2x3:3 [Ralink RT3573].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 050d:1103 Belkin Components F9L1103 N750 DB 802.11abgn 2x3:3 [Ralink RT3573]

You can filter directly with lsusb -d 050d:1103, or get the full descriptor dump with lsusb -v -d 050d:1103. Kernel messages from dmesg show the same pair as idVendor=050d, idProduct=1103.

Windows

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

USB\VID_050D&PID_1103
USB\VID_050D&PID_1103&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_050D&PID_1103"

macOS

$ system_profiler SPUSBDataType
    F9L1103 N750 DB 802.11abgn 2x3:3 [Ralink RT3573]:
      Product ID: 0x1103
      Vendor ID: 0x050d  (Belkin Components)

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:

050d  Belkin Components
	1103  F9L1103 N750 DB 802.11abgn 2x3:3 [Ralink RT3573]

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