You can use the UGA wifi wifi campus for you, but it is also possibile to open account for visitors following this procedure with your login Agalan, that is described there.

Eduroam comes from an international cooperation of univ/library to provide internet access through your institution credential. Before going abroad, it may be really usefull to set up your computer to work with Eduroam. The procedure to use eduroam with your université account is describe here.