Satellite Cable Splitter Suggestions For A Satellite/Cable Internet Splitter?

Suggestions for a Satellite/Cable Internet Splitter? - satellite cable splitter

I have a satellite receiver for Sonic, works well. I have just installed cable internet is, and I thought that with a two-way splitter that the work ... I can not connect the power cable satellite and functioning properly, but when I connect to the Internet via cable on the satellite image filter is completely cut off .. . Can anyone help? I must share it in a position to at least two of the major cable TV and a cable modem Internet.