How do I find out if my mac's airport card supports 802.11n ?

It just says Airport Extreme in System profile and it also says that on my wife's iBook - wondering about maximising our network speeds with an upgrade to AEBS and TV.
thanks

You can replace your Macbook Pro airport card with the 2 antennae "N" card designed for the Mac Pro.
Just search these forums....
or
http://discussions.apple.com/message.jspa?messageID=4239103#4239103

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