GNU/Linux NetGear A6210 Setup Guide
Hi! The linked Tutorial Shows You Step-by-Step How to Install NetGear A6210 Wireless Driver in GNU/Linux Distribution.
And the Netgear A6210 Driver for Linux make use of the Mediatek m76 Kernel Module.
Especially relevant: this Driver is suplied from Linux 4.19 but some important Connection Issues has been fixed only starting from the 5.4.1 Kernel release.