15a9:0004 — WUBR-177G [Ralink RT2571W]
Gemtek
- Vendor ID
- 15a9
- Product ID
- 0004
- Combined
- 15a9:0004
- Decimal
- 5545:4
What is this device?
This is the USB identifier for a WUBR-177G [Ralink RT2571W] manufactured by Gemtek. The vendor ID 15a9 is registered to Gemtek with the USB Implementers Forum, and 0004 is the product ID that Gemtek assigned to this particular model. When you run lsusb on Linux, this device appears as 15a9:0004 Gemtek WUBR-177G [Ralink RT2571W].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 15a9:0004 Gemtek WUBR-177G [Ralink RT2571W]
You can filter directly with lsusb -d 15a9:0004, or get the full descriptor dump with lsusb -v -d 15a9:0004. Kernel messages from dmesg show the same pair as idVendor=15a9, idProduct=0004.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_15A9&PID_0004 USB\VID_15A9&PID_0004&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_15A9&PID_0004"
macOS
$ system_profiler SPUSBDataType
WUBR-177G [Ralink RT2571W]:
Product ID: 0x0004
Vendor ID: 0x15a9 (Gemtek)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:
15a9 Gemtek 0004 WUBR-177G [Ralink RT2571W]