i have a question...which encryptions support matrix revolutions or reloaded cam?and is there any universal cam that supports via,irdeto,mediagurad,S*ca together?i want to purchase matrix cam but i am not sure.can i enter the keys manually without a card in this modul or how can i do that?must i buy a card?i am going to buy technomate tm-5500d.will it work wioth that receiver?could anyone help me?