New Intel wireless networking cards

Intel have introduced Wi-Fi cards that provide up to 450 Mbps and operate on 2.4 and 5 GHz and a WiMax model that runs in the 2.3, 2.5 and 3.5 GHz bands.

The Intel® Centrino® Ultimate-N 6300, Advanced-N 6200 and Advanced-N + WiMAX 6250 products were introduced at the CES 2010 show in Las Vegas.

The Register - Intel intros 'ultimate' Wi-Fi card
http://www.theregister.co.uk/2010/01/07/
ces_intel_centrino_wifi/

Intel - Wireless Networking
http://www.intel.com/network/connectivity/
products/wireless/