Homevision Technology 8 Way Splitter for 5 to 1000Mhz Silver (DGSCA6813) Digiwave Rotor Sat HH120 Stab is for use with dishes up to 120cm in diameter The motor uses DiSEqC 1.2 communication protocol and is compatible with all receivers use standard DiSEqC 1.2 or USALS (Universal Satellite Automatic Location System) to control the movement of the dish.