The tp link tl wpa4220 extends your internet connection to every room of the house through your homes existing electrical circuitry the tl wpa4220 features a wi fi clone button enabling super range extension which means it can automatically copy the ssid and password of your router this means the tl wpa4220 simplifies your wi fi configuration and allows for seamless roaming within your home network simple connection just follow the steps below 1 plug one internet connected adapter int