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From: Jasper Janssen on 18 Nov 2009 16:53
On Sat, 19 Sep 2009 22:11:56 -0400, JF Mezei
<jfmezei.spamnot(a)vaxination.ca> wrote:

>Supported Data Rates
>IEEE 802.11a, 802.11b, 802.11g Standard Mode 1-54 Mbps
>Atheros Super A Mode
>Atheros Super G Mode
>Atheros Super A/G Mode 1 - 108 Mbps
>
>
>Some blurb on the "super" mode:
>
>� Super A/G mode includes dynamic 108 Mbps capability, real-time
> hardware data compression, dynamic transmit optimization and
> standards-compliant bursting
>
>I wonder if this could have been an early implementation of the "n" ?
>Atheros now has the 5008 series chips which do formally support "n".

When you see A/G 108 Mbps, that simply means that (with compatible kit on
the other side) the product will be able to use a and g (which run at
different frequencies) simultaneously, loadbalancing across the two, and
getting up to 54 Mb on 5GHz .11a plus up to 54 Mb on 2.4 GHz .11g.

The super-a and super-g modes probably include all the features they
mention above, data compression and transit optimization and bursting, for
whatever that's worth in real life. HTML may actually be very slightly
compressible, so it may even have some effect for particular types of
usage.

11n really is a very different kettle of fish, although it does run on
both frequencies and the bundling of a and b frequencies is supported in
the spec if both products support both frequencies -- many n products only
use one, and you can usually tell by whether they are b/g/n or a/b/g/n
products.


Jasper
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