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Thread: CCTV distribution over Coax (TV cable)

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    Automated Home Sr Member franktate's Avatar
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    Feb 2007

    Default CCTV distribution over Coax (TV cable)

    Before setting out on this latest project I have a quick look in the projects section to see if I could borrow someone elses ideas. Having found no similar projects I thought I would post my solution.

    Problem: Viewing the 4 CCTV cameras from arround the house.

    Journey: Tried to connect to PC and distribute over network. Problem with converting signal to TV format and problem with changing channels.
    Looked at 2.4G wireless distribution. Too much interferrance.
    Looked at 5.8G wireless distribution. Still too much interferrance.

    Solution: 4 modulators which take the CCTV feeds and convert them to an UHF signal. Put these 4 into the loft between the ariel and the distribution amp.
    Alanlog TV has been switched off in my area. Digital TV reception has not degraded following installation.
    Also split the signal in the loft to go to modulators and to the PC.

    Outcome: Now have all TV's in the house showing all four feeds via their analog tuners (which just about every TV has).

    Cost: Total 425
    4 RF Modulators - 17 each
    2 phono extention cables to reach to PC - 7
    4 Swann cameras (600s and 610s) - 350

    The picture on the TV is not quite as good as they were when viewed via the PC. Anyone got any tips for improving?

    Diagram attached.


    CCTV Modulators.jpg
    Last edited by franktate; 26th October 2011 at 04:03 PM.

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