On Jan 24, 2008, at 3:56 PM, Bob Gustafson wrote:

>
> On Jan 24, 2008, at 10:10, Lee Sharp wrote:
>
>> Jim Thompson wrote:
>>
>>> Note that the 5005VL isn't a MIMO chipset, its a beamforming  
>>> chipset, and Airgo != 802.11n.
>>
>> Seeing as how the standard still is not final, and they took out d 
>> \some patent encumbered things that were in it, all preN stuff is ! 
>> = 802.11n. :)  What is all this fascination with N when everything  
>> falls bak to G from incompatibility?  It is very handy on the  
>> client side, but less so on the AP side.
>>
>> 				Lee
>>
>
> Fascination?  I was configuring a high end Dell laptop for a friend  
> and noticed there was an AP in my 'neighborhood' with 802.11n which  
> showed a 280Mbs bandwidth (!). I did not have the WPA codes, so  
> could not log onto that AP.
>
> It may just be marketing, but it was impressive to see.

The AP (and in IBSS mode, the STAs) can (must, actually) advertise the  
data rates its willing to support in the beacon (and probe response)  
frames.

http://i.cmpnet.com/wirelessnetdesignline/2007/05/sathish-table2.gif

These aren't "bandwidths", btw.

Jim