Code in the latest 10.8.4 beta version of Mountain Lion discovered by a 9to5 Mac tipster shows OS X support for 802.11ac WiFi, meaning next-gen Macs might contain the tech. Also dubbed 5G, 802.11ac brings speeds as high as 1.3Gbps thanks to beamforming, while also offering more range and robustness compared to its 802.11n predecessor. To date we've seen oodles of routers packing the
