Signal Quality is a Dependable Factor.. its us dependent on Geographical location, Area of Dish setting, Quality of Lnb, settop box also a good knowledge of antenna allignment.. like 11470 V 29500 is weak tp of DDFD. If you get maximum signal on this one.. rest tp will auto improve.. like mine Mpeg4 settop box I'm getting 80% in Bhubaneswar, Odisha...