0c40:8000 — 2.4GHz receiver
ELMCU
- Vendor ID
- 0c40
- Product ID
- 8000
- Combined
- 0c40:8000
- Decimal
- 3136:32768
What is this device?
This is the USB identifier for a 2.4GHz receiver manufactured by ELMCU. The vendor ID 0c40 is registered to ELMCU with the USB Implementers Forum, and 8000 is the product ID that ELMCU assigned to this particular model. When you run lsusb on Linux, this device appears as 0c40:8000 ELMCU 2.4GHz receiver.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0c40:8000 ELMCU 2.4GHz receiver
You can filter directly with lsusb -d 0c40:8000, or get the full descriptor dump with lsusb -v -d 0c40:8000. Kernel messages from dmesg show the same pair as idVendor=0c40, idProduct=8000.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0C40&PID_8000 USB\VID_0C40&PID_8000&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0C40&PID_8000"
macOS
$ system_profiler SPUSBDataType
2.4GHz receiver:
Product ID: 0x8000
Vendor ID: 0x0c40 (ELMCU)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:
0c40 ELMCU 8000 2.4GHz receiver