LNB SINGLE PIECE CHESS ASTRA HOTBIRD 6 ° 1 OUTPUT DOUBLE HEAD PIECE Only works on a single satellite Astra or Hotbird, I try all the combi, right left, steer Astra and HB1 Contains no instructions to include for example the designated side A on the receiver and the B, Moreover, as it is less efficient than a single universal LNB, I handed my old equipment.