To connect at 450Mbps you must have a compatible and properly configured 450Mbps access point to connect to. For example, TRENDnet carries the following.
450Mbps wireless router with access point: TEW-691GR.
Double click on the Config Utility icon in the task bar to open it.
Click on the Site Survey button to search for available wireless networks. Select your network in the Site Survey window and then press the connect button.
If the network is secure you will be prompted to enter you...
IEEE 802.11a, IEEE 802.11b, IEEE 802.11g and IEEE 802.11n
WPS button: enables quick wireless connection with WPS function
Receive mode: 406mA (max.)
Transmit mode : 428mA (max)
Windows 7 (32/64-bit), Vista (32/64-bit), XP and 2000