You can only get that connection if you have cracked the WEP or WPA key. To get the WEP key you will need about 250000 Packets -> 1000000 Packets depending on the password strength. eg 128bit, 256 bit, or 64bit... Then you can use that password and connect so that you have free internet and so that you can add your MAC on the router for future use... If you want... what are you using to get the password?