Link electronic GT701AP - Manual (Page 17)

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64-bit WEP uses a key made from of five hexadecimal digit pairs. A hexadeci-
mal digit consists of an alphanumeric character ranging from 0-9 or A-F.
An example of a 64-bit WEP key is: 4E-A3-3D-68-72. To create a set of 64-
bit WEP keys, enter five hexadecimal digit pairs into the desired Key text
box (Key 1, Key 2, Key 3, Key 4).
128 bit WEP Key is just like the 64-bit key except that it uses 13 hexadecimal
pairs to provide more secure encryption. To create a 128-bit WEP key,
enter 13 hexadecimal digit pairs in the Key text box.
256 bit WEP Key is just like the 64-bit key except that it uses 29 hexadecimal
pairs to provide more secure encryption. To create a 256-bit WEP key,
enter 29 hexadecimal digit pairs in the Key text box.
+ NOTE: Not all wireless PC Cards support 128-bit or 256-bit WEP.
Ensure all wireless PC Cards installed in the clients support the
version of WEP you want to use before activating.
The Authentication Type controls how a client connects, or “authenticates” itself
with the Access Point when WEP is enabled.
Open mode allows any client to try to authenticate to THE ACCESS POINT using
a WEP key.
Shared Key mode provides tighter security by requiring that a wireless client also
have a digital certificate that authorizes it to talk with the THE ACCESS POINT
before it is allowed to authenticate itself. In Shared Key mode, the client will issue
a digital certificate or second key to that the Access Point will pass through
through to a server for authentication. The Access Point however is just a conduit
and does not do any processing of the certificate itself. Do not enable this feature
unless your network supports shared authentication features.