10c4:ea70 — CP2105 Dual UART Bridge
Silicon Labs
- Vendor ID
- 10c4
- Product ID
- ea70
- Combined
- 10c4:ea70
- Decimal
- 4292:60016
What is this device?
This is the USB identifier for a CP2105 Dual UART Bridge manufactured by Silicon Labs. The vendor ID 10c4 is registered to Silicon Labs with the USB Implementers Forum, and ea70 is the product ID that Silicon Labs assigned to this particular model. When you run lsusb on Linux, this device appears as 10c4:ea70 Silicon Labs CP2105 Dual UART Bridge.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 10c4:ea70 Silicon Labs CP2105 Dual UART Bridge
You can filter directly with lsusb -d 10c4:ea70, or get the full descriptor dump with lsusb -v -d 10c4:ea70. Kernel messages from dmesg show the same pair as idVendor=10c4, idProduct=ea70.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_10C4&PID_EA70 USB\VID_10C4&PID_EA70&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_10C4&PID_EA70"
macOS
$ system_profiler SPUSBDataType
CP2105 Dual UART Bridge:
Product ID: 0xea70
Vendor ID: 0x10c4 (Silicon Labs)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. Silicon Labs official support →
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
10c4 Silicon Labs ea70 CP2105 Dual UART Bridge