Edimax Technology AR-7266WNA - Manual (Page 67)

58
Parameter Description
Authentication Type There are three authentication types: "Open System",
"Shared Key" and "Auto".
Open System: Open System authentication is not
required to be successful while a client may decline to
authenticate with any particular other client.
Shared Key: Shared Key is only available if the WEP
option is implemented. Shared Key authentication
supports authentication of clients as either a member of
those who know a shared secret key or a member of
those who do not. IEEE 802.11 Shared Key
authentication accomplishes this without the need to
transmit the secret key in clear. Requiring the use of the