The JP1081B USB LAN adapter is a cost-effective solution for adding a wired Ethernet port to devices that lack one, such as modern ultra-thin laptops or tablets. This specific model typically uses the Realtek RTL8152B or RD9700 chipset to bridge a USB 2.0 interface with a 10/100 Mbps "Fast Ethernet" connection. Driver Specifications & Compatibility
The improvement in CPU usage is due to better interrupt moderation and scatter-gather list handling in v21. jp1081b usb lan driver 21
If a security warning appears (“Windows cannot verify the publisher”), select Install this driver software anyway (only if you trust the source). The JP1081B USB LAN adapter is a cost-effective
Since these are generic adapters, Windows may not always find the driver automatically through Windows Update. Use these steps to install manually: Microsoft Learn jp1081b usb lan driver 21