Comcast actually brought legacy boxes for this job, so I haven't had the chance to test with MoCa. for the regular system, so far so good. Picture quality is great, i cannot precept any losses. unless your splitter / cable system is not optimized, yo get pixelation like a an HD antenna with low signal. took us a while to fine tune the best channel frequencies, best way to use the splitters, what kind, combiners, regular splitters, inverted, etc.