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Chipmaker Marvell will offer 3 spatial streams in new chips, with 450 Mbps raw speed: Each spatial stream in 802.11n can hit 150 Mbps raw symbol rate when combined with 40 MHz channels. The 802.11n spec requires at least two spatial streams—two unique paths through space that reuse frequencies—but three or four are also possible, and it was predicted that 2008 would see a four-spatial stream product by year’s end with a raw 600 Mbps rate.
Marvell fires the first shot over the bow with this announcement, pre-Consumer Electronics Show (CES), tha they will ship a TopDog chipset at 450 Mbps. It won’t ship until second quarter 2008.
Expect more announcements as CES nears or at the show itself.
Posted by Glennf at January 2, 2008 10:09 AM