All the same great features of the tailgater antenna but in a traditional roof mounted dome designed for permanent installation. ideal for motorhome owners wanting quick satellite tv set-up while parked in areas generally clear of trees and other obstacles. can be wired through an a/b switch to allow use of a tailgater portable antenna when parked in the trees. also lets you upgrade your existing roof mounted satellite dish, king-dome or others, to full hdtv capabilities with no need to install additional cables or find an external power source. just use the coaxial cable from your existing satellite dish or from the satellite prep installed by the oem and you're already pre-wired! for reception of dish network sd and hd programming. dual lnb with auxiliary coax output for second receiver. sleek, aerodynamic 14.5" dome with high gain antenna for best possible reception. powered by receiver over single coaxial cable connection. requires customer supplied dish network model vip211k receiver.