![]() I use my house coax system as a MoCA backbone, as I have neither great wifi coverage and no ethernet wiring in a every room of the house, but coax exists in those locations. Many of those will have an internal POE filter built into the circuitry. If you are going to use a distribution amplifier, look for one specifically designed to be used with MoCA. MoCA is relatively robust, and you can run up to 15 nodes on individual cable runs of up to 150’. You only need the one filter, as long as the rest of your coax is isolated within the house. It will keep the MoCA frequencies from being transmitted back up to your antenna- but more importantly is that the as the filter reflects that signal, it strengthens the MoCA signal. The POE filter should be installed on the drop from antenna to where it joins the main coax line- install it on the input side the splitter. The diplexer splits the incoming RF frequencies, pushing anything above 1000 Mhz to the SAT port, and below that to the UHF port. That works just fine, or you can install a diplexer to do the same thing (IN port connects to the coax drop, SAT port connects to the MoCA bridge adapter, and UHF/VHF port connects to the OTA device). ![]() What bridge adapters are you using? Some of them have a built in diplexer, allowing you to attach both the network coax, and a separate coax line to an OTA device, such as an antenna, TV, or Tablo DVR. ![]() Connect other adapters in the same manner to bridge the signal off the coax to an ethernet connection. Run an ethernet cable from your cable mode/router to the ethernet port on the MoCA bridge adapter, and in turn connect your in-house coax run (I assume that’s the previous Direct TV coax) to the “network” coax port on the adapter. Keep the incoming active drop to your cable modem for internet, but don’t split or otherwise connect the line to the rest of your house coax. You need to isolate the cable traffic from the rest of your coax network. I don’t know what coax runs you have available and so can’t make an authoritative suggestion, but your options include creatively using an antenna/satellite diplexer, not allowing cable signals onto the “MoCA” coax, or basically anything else that keeps the cable signals off of the OTA-infused coax. MoCA can co-exist with either OTA or cable, but OTA and cable cannot share the same coax. At least from the sound of it, it seems that you’ve merged your cable signals onto the same coax as your OTA signals … and cable and OTA use the same frequencies, so I’m surprised that you have any reception at all and that your Internet connection wasn’t knocked-out. Not so much your choice of splitter as using a splitter at all. … I am wondering if my problem could be with my choice of splitter I used a splitter (5-3000MHz bandpass) to bridge the connection between both runs. My cable internet was a single line coming in from a drop off the pole in my back yard and was isolated from DirecTV/the rest of the house.
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