I have an Air Port Extreme router, the new tall one. Full 2.4/5ghz Dual-Band. Of course all my Apple devices will connect and activate 5G and I see between 800mbps to 1200mbps connection speeds. However I've tried THREE different brands of Wifi AC Dual-Band devices for my Windows gaming rig and while ALL will see both the 2.4G and 5G router wifi connections, any attempt to connect to the 5G will just see it ignored and it connects to the 2.4G. Signal quality for both is 100%. I even have the 5G set to 40mhz (channels 48-187) and it won't work. If I set up the router to split the 2.4G and 5G as two access points, the 5G won't even show up for my Windows box. Has anyone run in to this? Is Apple up to shenanigans or am I not understanding how this works? For now my rig is on 2.4G and seeing 144mbps instead of the 800mbps I am seeing on my Apple's 5G connections. :\ Thanks for any help.