the invention relates to a residential broadband cable communicator for communicating over two or more types of cables within a house , each type of cables defines a channel , comprising a first port connected to a home ethernet device , plurality of second ports each of said second ports being connected respectively to one of said channels , a homeplug modem for receiving data from said ethernet device through said first port , and transmitting the same simultaneously through two or more of said second ports over two or more of said channels respectively to another residential broadband cable communicator , and for receiving a selected best quality data signal from a selector , and conveying the same to said ethernet device , a selector