The Wi-Fi alliance has today announced the release of their 802.11ac certification.
Some of the new features supported by /ac wave 2 include MU-MIMO (down link only), 160 MHz wide channels, four spatial streams, and extended channel support in the 5 GHz band.
The WFA main /ac page:
Press release at:
An industry white paper can be requested from this page:
Companies providing test bed products include Broadcom, Marvell, MediaTek, Qualcomm, and Quantenna, who also show their new wave-2 products on the WFA product finder page:
Select MU-MIMO from the drop down menus.