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Microwave cross talk?

Discussion in 'Security Alarms' started by [email protected], Apr 26, 2005.

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  1. Guest

    On a recent installation we used 2-microwave/pir, ceiling mount units
    in a commercial bank lobby (about 40'x80'). The units are spaced about
    20' apart. They seemed to work well at first, but soon started to
    false. Could it be that the microwave units are setting up some kind of
    cross talk between them selves? Thank you.
     
  2. Its been a while since i played with microwave but there was a problem of 2
    units being on same band causing a problem both on a,b c d etc and units
    should be on a diffrent band to prevent a false .

    --
    Nick Markowitz Jr.
    Owner
    Markowitz Electic Protection
    Private Industry Fire Investigator.
    Qualified Electrical- Fire Alarm Contractor
    Registered EPA Freon Recovery

    Contributing Editor Pa. Firemans Magazine
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    "To error is human to realy foul things up requires a computer"

    Irish Diplomacy

    The ability to tell a man to go to hell and he tells you how much he is
    going to enjoy the trip.
     
  3. but wouldn't the IR part also have to trip?
    I've never experienced this particular problem, but I suppose it is possible.
    I've had more MW problems with them seeing through walls :)
     
  4. Is there a drinking fountain unit nearby?
     
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