Try plugging the dongle into a different USB port. Avoid using unpowered USB hubs, as network adapters require a consistent power draw directly from the motherboard.
The JP108 No: 030818 USB LAN adapter is a functional, if outdated, piece of hardware. With the correct generic driver (SR9600/DM9601), it can still provide a wired network connection to a laptop or PC that lacks an Ethernet port. Its plug-and-play support is poor, and obtaining a safe driver requires careful sourcing. The "portable" concept is best realized by carrying the driver on a USB drive, and the "freerarl" element is likely a red herring.
Once you confirm the hardware ID matches Realtek (0BDA), skip the sketchy third-party sites and grab the official deployment package: jp108 no 030818 usb lan driver freerarl portable
Your search included the phrase "freerarl portable". This likely points to the method of distribution for these hard-to-find drivers on various forums and file-sharing sites. Because official support is non-existent, users often share their "found" drivers in compressed formats:
If you are still experiencing issues with setup, let me know: Try plugging the dongle into a different USB port
format), you can use the following third-party repositories: DriverIdentifier (JP1081/JP1082 Specific):
Most driver downloads are compressed in .rar (Roshal Archive) format to save bandwidth. FreeRAR refers to free tools like 7-Zip , PeaZip , or WinRAR’s trial version that can extract .rar files. You cannot install the driver without extracting the setup files first. With the correct generic driver (SR9600/DM9601), it can
: Because it is an OEM white-label device, modern operating systems like Windows 10 and Windows 11 do not always feature native "Plug-and-Play" support for it.