26D-Link DWR-116 User Manual
Section 3 - Conguration
Select  a  level of  wireless security  to  use,  then  click  Next to 
continue.
If  you chose  BEST or  BETTER, select  whether  to use TKIP  or 
AES encryption, then enter a password to use for your wireless 
network. It is recommended that you use AES if your wireless 
computers and devices support it, as it is more secure. 
Click Next to continue.