If you see VID_0FE6 or PID_9700 / 9702 , the driver below is applicable.
The is a cheap and reliable way to add wired networking to a Windows 11 device, but only if you have the right driver. Microsoft’s default driver catalog does not always include this legacy chipset, so you must take the manual route. If you see VID_0FE6 or PID_9700 / 9702
Conclusion The RD9700 USB 2.0 to Fast Ethernet adapter can be a practical solution for restoring wired connectivity on devices without an Ethernet port. Successful operation on Windows 11 depends largely on identifying the adapter’s chipset and installing a compatible, signed driver—preferably from the vendor or chipset manufacturer. Following secure download practices, keeping drivers updated, and performing basic troubleshooting will maximize stability and performance. For users requiring higher speeds or longer-term support, upgrading to a USB 3.0 or gigabit-class adapter with explicit Windows 11 compatibility is recommended. Conclusion The RD9700 USB 2