The RT5370 chipset was originally developed by Ralink (now part of MediaTek). While the manufacturer doesn't always provide a direct consumer-facing portal for old chips, several reliable repositories host the 2022 updated driver packages:
The 2022 builds generally resolve "device not recognized" or "frequent disconnection" errors common with the R12943-series hardware. How to Install Your Downloaded Driver r12943mj2r5370 software download 2022 link
Even though the hardware is older, the is critical because: The RT5370 chipset was originally developed by Ralink
Select and point it to the folder you extracted. Most RT5370 adapters are plug-and-play
Most RT5370 adapters are plug-and-play. However, for a manual 2022 update, you can find verified drivers on Phipps Electronics , which hosts versions specifically updated for modern Windows builds.
Windows Server 2022 Driver 7.721.03.00 for PERC Controllers - Dell
Always restart your system after installation to ensure the new firmware is loaded into the kernel. Safe Downloading Tips