I tried to use an ASUS PCE-N53 PCI-e (x1) card, but it does not appear to be 'enabled' (can't connect/doesn't show any wifi networkds), though it's detected by the O/S.
lspci:
1f:00.0 Network controller: Ralink corp. RT5592 PCIe Wireless Network Adapter
Is 'this' related ?
dmesg:
[ 7.510104] wl: loading out-of-tree module taints kernel.
[ 7.510107] wl: module license 'MIXED/Proprietary' taints kernel.