x2. What type of satellite are you using? Do you have the manual? Many satellites will require you to modify existing connections. Portable satellites lock on one of the three signals (In the sky). This means when you change channels the portable type satellite will move. To find the other signal in the sky.
Additionally, portable satellites need power to operate. This power is sent from the converter box to the portable satellite. Splitters do not operate well with the transmission of power in the coaxial cabling. Best view experience for portable satellites is to pass the coaxial wire through the screen then into the converter box.