D-Link DW-290 User Manual - page 80
Manual is about: 5GHz Wireless LAN mini PCI Card
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2. Usually, infrastructure mode is used in an enterprise environment where
APs are installed and maintained by corporate IT staff. Much of the data
in the enterprise network is confidential. It is important to configure
security to make sure only stations with appropriate keys can receive
sensitive data. The D-Link DW-290 Wireless Network mini PCI Card and
NDIS driver support key lengths of 40 bits, 104 bits, and 128 bits.
Typically, the appropriate encryption and decryption keys are supplied by
the corporate IT staff.