A splitter is used to split a signal into four or more signal paths, such as splitting the original signal from one aerial to supply signal to more than one tv.
Dc power pass on 4 outputs
used for satellite and aerial installations.
This also passes dc current to all the 4 splitters.
A dc passing splitter is useful when you are sending dc up the cable for coax powered equipment, like a tv link for pvr, in line amplifier, or infrared signals.
5 - 1000mhz