It was recommended to use a splitter rated at 3.5dBmv. is this the only choice? Or any splitter for broadband. I'm doing this myself but don't know the tech side. Any two way splitter rated for 5 ...

【2 Way Coaxial Cable Splitter-Multipurpose】This coax cable splitter can split one input signal into two balanced output signals. It works with Satellite TV,Cable TV,HDTV, MoCA Configurations ...