No, it is a multi-mode card but it still has only a single radio, which can operate in multiple bands. As far as the radio is concerned it is just different frequencies.

Speculation here, but it is probably possible to make the radio on these cards operate on all frequencies between 2.4 GHz and 5.8 GHz if the firmware allows it. I understand this is the very reason why some companies do not want open-source drivers for their cards (ACX100 for example).

Regards,

Ian

"Dan" <conhoolio@hotmail.com> on Sat, 30 Jul 2005 20:46:00 +1000 wrote:
> Can someone tell me if the Atheros 80211a/b/g cards are capable of operating
> at 2.4GHz and 5.8GHz frequencies simultaneously?  I've never used one and
> I'm wondering how they work.  If they can operate in both bands
> simultaneously, do they use the same SSID and wireless mode in 2.4GHz and
> 5.8GHz?  Or is it like having separate, individually configurable 802.11g
> and 802.11a cards?
> 
> Cheers,
> 
> Dan
> 
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