miniPCIe 2.4ghz MIMO card for RB912UAG-5HPnD-OUT

I’d recommend Ubiquiti SR-71e
but as far as the problem with IRQ wont be solved two working WLAN interfaces in RB912 is
problematic.
see http://forum.mikrotik.com/t/rb-912uag-impossible-to-use-both-cards-irq-conflict/69890/1