Extend dual band wi fi to any room based on the powerline technology your network extension is never limited to the primary coverage of your router using your existing electrical wiring this kit brings network to anywhere there is a power outlet dual band wi fi you can easily create a dual band wi fi network simultaneous use of 24 ghz and 5 ghz bands with more bandwidth and less interference maximizing the performance of your powerline network plug pair and play plug the tl pa4020p in th