Clear the"air" Mini in 5Ghz only network (stock hardware)

I recent configured my network to 8012.11n only (5 Ghz) Given the Macbook Air, Mac Pro and Lenovo T60 were all equipped with 802.11n cards. however I also have an older Mac Mini 1.83 Ghz system that I believe has a b/g network card. I figured I would just find another method to connect the mini to the network.
To my surprise though the mini can find and connect to my network. Now speeds ate slow (about 54 Mbps) but it is connecting. I thought maybe it fell back to 802.11a but I'm stiff confused why this is happening.
Can someone explain this to me? thanks.

I was digging around, and I found the wireless chipset Apple used is the Atheros AR5006x.
Take a look at it's press release here
What do you see?
Quote:The chip integrates an entire 802.11a/b/g solution -- Media Access Controller (MAC), baseband processor, and a high-performance radio with both 2.4 GHz and 5 GHz capabilities
Yes, it does contains a 5 GHz radio. But how do I fully enable it? I can see the 5 GHz band only on my network list, but when when I select the network, nothing happens....
What security settings are you using?

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Message was edited by: Chuck H.

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Clear the"air" Mini in 5Ghz only network (stock hardware)

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