This story is a little old but very informative. Early next year our wifi is about to get a lot faster.
Check it out.
Since it can support up to three such streams simultaneously, a Wave 1 802.11ac router can send and receive data at a maximum physical link rate of 1.3Gbps. Compare that to 802.11n routers, which provide up to three spatial streams with maximum physical link rates of just 150Mbps each (for aggregate throughput of just 450Mbps).
I can live with 1.3 Gig. Full story here.