[wsfii-discuss] Marvell 802.11n chip promises 450Mbps at 'extended range'

Thu Jan 3 04:36:18 UTC 2008

http://feeds.engadget.com/~r/weblogsinc/engadget/~3/210049998/

"Chipmaker Marvell
looks to have gone into full-on bragging mode today, with it announcing
what it claims to be the "industry's first" 802.11n chip that operates
at 450 Megabits-per-second. Dubbed the Marvell TopDog 11n-450, the chip
is a 90-nanometer, 3x3 WLAN solution with three spatial streams, which
the company helpfully informs us is more than eight times faster than
plain old 802.11g 54 Mbps offerings, and 1.5 times faster than current
802.11n 300 Mbps options -- in theory, at least. What's more, the
TopDog chip also promises a 500% range increase over 802.11g, and a
still decent 160% increased range over other 802.11n solutions. While
those numbers have obviously yet to be put to the test (by someone
other than Marvell, that is), that detail should be able to be taken
care of soon enough, as the chips are set to begin shipping in volume
sometime next quarter -- and, of course, they'll be on display at CES
as well."

How do they claim extended range at frequencies higher than 2.4GHz? Won't the signal attenuate faster?

Vickram
http://communicall.wordpress.com
http://vvcrishna.wordpress.com

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