Wireless Standards : 802.11n Ratified and 802.11ca (6 GHz and Below) and 802.11ad (60Ghz) in Development

IEEE ratified 802.11n wireless standard.

802.11ac (6 GHz and below) and 802.11ad (60 GHz) standards are in development. Both of which aim for speeds of 1 Gbps and faster.

60 Ghz technology has been covered here before