0c45:5101 — 2.4G Wireless Device [Rii MX3]
Microdia
- Vendor ID
- 0c45
- Product ID
- 5101
- Combined
- 0c45:5101
- Decimal
- 3141:20737
What is this device?
This is the USB identifier for a 2.4G Wireless Device [Rii MX3] manufactured by Microdia. The vendor ID 0c45 is registered to Microdia with the USB Implementers Forum, and 5101 is the product ID that Microdia assigned to this particular model. When you run lsusb on Linux, this device appears as 0c45:5101 Microdia 2.4G Wireless Device [Rii MX3].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0c45:5101 Microdia 2.4G Wireless Device [Rii MX3]
You can filter directly with lsusb -d 0c45:5101, or get the full descriptor dump with lsusb -v -d 0c45:5101. Kernel messages from dmesg show the same pair as idVendor=0c45, idProduct=5101.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0C45&PID_5101 USB\VID_0C45&PID_5101&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0C45&PID_5101"
macOS
$ system_profiler SPUSBDataType
2.4G Wireless Device [Rii MX3]:
Product ID: 0x5101
Vendor ID: 0x0c45 (Microdia)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:
0c45 Microdia 5101 2.4G Wireless Device [Rii MX3]