I bought wg111 (it is the tape name ) wirless net on the back side it wrote that with this i can
enter it to my PS2 and start play online but i entered it and nothing heppend some on got a software or what it won't
be to help me play online with me gear

WG111 is a wireless USB adapter compatible with Microsoft® Windows® Vista™, XP, 2000, 98SE, Me. How the hell would you setup something like that on a PS2? Or do you happen to have MS Windows installed on your console?
Btw, your english is quite hard to understand. Work on that, mate.