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Message: <blockquote data-quote="A nonymous" data-source="post: 583801" data-attributes="member: 240839">Ok your going to have to forgive me if i get this wrong as I'm trying to give up smoking and these tablets are making reading lots of stuff a little hazy at the moment <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite13" alt=":-rofl2" title="roll on floor    :-rofl2" loading="lazy" data-shortname=":-rofl2" />From what i can gather all your trying to do is just put a basic IRS system into your house with the added bonus of CCTV.If it was myself i would go down the usual route of Aerial, Dab Aerial, FM aerial to a multiband diplexer ( or Diplexing Masthead amp if needed) Now this is the tricky bit as i've never had to combine CCTV into an IRS even though i do work on both systems.The CCTV would have to go through a modulator as Rolf has already said.  I would set this on the furthest available frequency away from the nearest UHF channel to minimise any possible interference.It would then need to be put into the dipexed feed by using something like a combiner or if your really stuck by using a 2 way tap/splitter (Its a bit rough but it usually works)This would then go into the Terrestrial feed on your chosen multiswitch.  I would use a Vision V5-508MP switch mainly because i like using Vision Kit and also as it has an inbuilt power feed for any mast head amp you may have to use. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite57" alt=":-lmao" title="LMAO    :-lmao" loading="lazy" data-shortname=":-lmao" />  It also saves you having to buy an individual power supply for the masthead amp.On the dish side i would set it up as normal apart from using a Quattro lnb instead of a single feed lnb.  I believe the aforementioned switch will work with a quad lnb, although i couldn't say 100% as i've never tried using them in that way.You then run the individual VL, HL, VH, HH feeds into the appropriate port on the multiswitch.Its just a case then of running an individual cable to each room and installing a Triplate to split the combined signal back into individual ones.:-beerNano</blockquote>

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