Though Ethernet can travel over coaxial cables, it’s common practice (and cheaper) to use twisted pair cables-the thinner cords that clip into your modem and computer-to connect to the local area network (LAN). Most households use Ethernet cables to connect to the internet. Gamers and streamers, this one's for you. If your tv boxes are the older traditional cable boxes(don't require a connection to the main box), you'll probably be fine as well.MoCa is shorthand for Multimedia over Coax Alliance, a wired internet option that uses existing coaxial cables to connect to your network instead of traditional mesh WiFi. But if you have one of those fancy tv systems, you might have issues. Chances are, if you only have cable internet, then you'll probably be fine. That's where the compatibility issues arise. They use the same 1100-2000mhz range that MOCA uses to stream from the main big tv box. You would have 1 main cable or satellite box receiver, then several small little tv boxes throughout the house. However, lately with these new cable and satellite boxes, they started using protocols that also use the 1100-2000mhz range for their additional cable and satellite boxes so they could all use DVR from a main box. They could use the 1100-2000mhz range for MOCA channels, so it wouldn't interfere with cable or satellite. This is where MOCA saw an opportunity, if you buy an expanded frequency splitter. With the switch to digital cable, that freed up some bandwidth, but cable internet with digital tv still typically resides in the 5-1000mhz range. The reason for the questionable compatibility is that normal cable or satelite tv has always been traditionally between 5 and 900mhz. So should my plan work? I only need two MOCA adapters (one for connecting up the coaxial to the ethernet port of the modem and the other for connecting the cable at the one location with a smart tv, which is used for streaming) while the kids' old TVs can still be directly ported to the coaxial cables. However, what if devices at some locations don't have ethernet ports but only have coaxial c able ports? These would be the one's in the kid's rooms, which are rarely used. I will then have to attach an additional MOCA to any coaxial cable at various locations throughout the house, if I want the feed a device located there with ethernet. The other end then threads onto the coaxial cable taking the signal through the house. Then insert the one end of the MOCA into that modem's ethernet port. My belief is that I need to detach the coaxial cable that presently takes the signal from the modem. I had a few words for its "loyalty department". To begin with, AT&T is upgrading bandwidth to 50 Mbps at not additional charge. I think MOCA may be the way to go, but would appreciate some input from you guys. Since then I have looked at some things on the internet, including a Tom's Hardware thread from 2018, and learned about MOCA. I asked AT&T tech who was out at the house if there wasn't an adapter that would allow my coaxial cable to be inserted into an ethernet port and he said there was none. This would be fast enough if we could connect from the at&t modem to that tv by ethernet. For the past several years it has eaten from the AT&T table at a rate of 25 mbps. It was once was fed by Cox Cable at rates up to 100 Mbps. The house has coaxial throughout a it was done during original construction in 1990. My home is wired for coaxial cable only and I believe that running ethernet cable through it would be a bitch.
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