Dilos 444PRO LNB has 4 ports. You can connect 4 setup-boxes to one dish antenna. Specifications - Model No. FS-444 Input 10.70-12.75GHZ Output - 950-2150MHZ L.O. 9750-10600 Noise Figure - 0.1dB You can Receive TV Signals from Ku-Band like DD Free Dish and suitable with other DTH like Tata Sky, Dish TV, D2H, Sun Direct, Zing Digital, and Airtel DTH.