hostapd dual band simultaneous

Craig Johnson crajohns at
Sun Jan 8 13:44:16 EST 2012

You're absolutely right - I dug a little deeper and I'm not sure why I
thought that this card was dual radio simultaneous.  Feel pretty
stupid now :)  Thanks for the help.

On Sun, Jan 8, 2012 at 7:53 AM, Christian Lamparter
<chunkeey at> wrote:
> On Sun, Jan 8, 2012 at 1:21 PM, Craig Johnson <crajohns at> wrote:
>> I apologize if this is an easy question, but I've been pulling my hair
>> out trying to figure out how to make this work.
>> I've got an AR9380 mini-pci card trying to make it work with hostapd
>> as an access point in both 2.4ghz and 5ghz simultaneously.  I can see
>> the bands in both 2.4 and 5ghz available, but of course I can only
>> select hw_mode=g or hw_mode=a.  I know this card can do them
>> simultaneously; the question is how do I configure it?  Launching
>> multiple hostapd daemons (one for 2.4, one for 5ghz) only makes them
>> step on each other.  Running latest hostap from git and a very recent
>> compat-wireless.
>> Any assistance would be greatly appreciated - I feel like I'm missing
>> something simple, but I haven't found a configuration to make this
>> work.
> Are you sure, your card actually has two independent radios and MAC?
> Most cards don't. You probably need to buy another card [can be a cheaper
> 2.4GHz Band only card, if such a thing is available]

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