How to Install NetGear Nighthawk A8000 Driver on Gnu/Linux Distros
GNU/Linux NetGear Nighthawk A8000 Wifi Driver Setup – Step-by-step Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install NetGear Nighthawk A8000 Wireless Wi-fi/Bluetooth Driver in GNU/Linux Distribution.
And the Netgear Nighthawk A8000 Driver for Linux is supported by the Mediatek MT7921 Kernel Module.
Especially relevant: this Driver is supplied from Linux 4.19 but some important Connection Issues has been fixed only starting from the 5.4.1 release.
But on Debian-based it may be just missing the Proprietary Firmware!