Usb Lan Driver — Jp1081b

You might think, "Windows 10/11 automatically installs drivers via Windows Update." While that is often true for Realtek or Intel chips, the JP1081B is a more niche silicon. Without the proprietary driver, you will experience:

The JP1081B (often listed as QTS1081B or RD9700) is a generic USB 2.0 to Fast Ethernet adapter used to provide wired internet connectivity to devices without a built-in Ethernet port. These adapters typically support 10/100 Mbps speeds and are popular due to their low cost. Chipset Identification jp1081b usb lan driver

If your adapter shows a "limited connection" or is not recognized: You might think