Without a  dish tv satellite , one will be unable to make use of any satellite signals an you will simply not be able to avail of a satellite tv service. It is one of the components of a satellite television service. The parabolic dish is an absolute necessity and simply cannot be done away with if one wants access to satellite tv. These dishes were once quite expensive, ranging from $2,000 to $10,000, not counting installation fees. Now they are often offered for free, with installation fees being waived under some payment plans.