2c4e:0100 — MW300UM RTL8192EU wifi
Mercucys INC
- Vendor ID
- 2c4e
- Product ID
- 0100
- Combined
- 2c4e:0100
- Decimal
- 11342:256
What is this device?
This is the USB identifier for a MW300UM RTL8192EU wifi manufactured by Mercucys INC. The vendor ID 2c4e is registered to Mercucys INC with the USB Implementers Forum, and 0100 is the product ID that Mercucys INC assigned to this particular model. When you run lsusb on Linux, this device appears as 2c4e:0100 Mercucys INC MW300UM RTL8192EU wifi.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 2c4e:0100 Mercucys INC MW300UM RTL8192EU wifi
You can filter directly with lsusb -d 2c4e:0100, or get the full descriptor dump with lsusb -v -d 2c4e:0100. Kernel messages from dmesg show the same pair as idVendor=2c4e, idProduct=0100.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_2C4E&PID_0100 USB\VID_2C4E&PID_0100&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2C4E&PID_0100"
macOS
$ system_profiler SPUSBDataType
MW300UM RTL8192EU wifi:
Product ID: 0x0100
Vendor ID: 0x2c4e (Mercucys INC)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:
2c4e Mercucys INC 0100 MW300UM RTL8192EU wifi