If you get a reasonably good combination of hardware&#x2F;drivers, 802.11ac works well.  I&#x27;m able to get 407.99 Mb&#x2F;s Down, 462.39 Mb&#x2F;s Up on a 2012 Macbook Air + RT-AC87U WiFi Hotspot on 5 Ghz to speedtest.net in Singapore.