Again and again the same problem: They have one or two SAT-cable is available, but would rather like to have two or three cables available to appropriate devices (eg TV satellite receiver and / or (twin) SAT. be able to connect and use receiver) - it was able to operate in different rooms, or simply to several different devices with SAT input. Who now the split is to SAT-cable is not needed at the same time (SAT-lines can not share as many times as cable TV and use the same, but are only once at a time available), the help of this splinter! So you can easily use one of the connected terminals without ever having to the SAT cable swapping cables. I've been running it a built-in satellite TV receiver and an external receiver as PVR (VCR). Works perfectly and can be recommended without reservation to the described purpose. Depending on the individual configuration of the terminals, the satellite line can "be used twice" even, but not in full, but depends on the use of the first device (the remaining unused by the primary FR channels can be viewed on the second unit).