The Apple Store online started offering the AirPort Extreme 802.11n Enabler for Mac on Tuesday. The enabler allows Intel Core 2 Duo Macs to take advantage of 802.11n wireless networking with devices like the new AirPort Extreme Base Station and other 802.11n-compatible products. This enabler is necessary only for users that intend to use their Mac on an 802.11n network.

Apple Ships 802.11n WiFi Enabler