Originally Posted by
cblaisd
The key takeaway from
gfunkave's response is "They will work fine for you if you don't use your coax for anything else." These adapters will
not coexist with cable TV; they're exclusively for use with DirectTV (or, obviously, no television service provider at all).
IF you decide to try them, you should probably disconnect your internal cable network from the PoE; you may cause headaches for nearby neighbors.
Those DECA adapters are also significantly slower than the Actiontec MoCA adapters, at 100Mb/s. The Actiontecs effectively offer gigabit (10x) performance.