I'm having signal quality issues on some channels and was tracking the situation to a Verizon brand COAX splitter, which seemingly randomly began attenuating a narrow band of frequencies around 690 MHz. I replaced it with this device and all my problems were gone. In fact, when comparing the performance and signal speed of the QAM and MoCA, I noticed a slight improvement over Verizon's (high quality) splitters. In short, if you don't mind a bit of a high price tag and a massive form factor, these splitters seem to work really well.
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