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Medical Alert Systems

Discussion in 'General Electronics Discussion' started by christine, Jun 27, 2011.

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  1. christine

    christine

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    Jun 27, 2011
    Does anyone know why we are picking up voices on my mom's AlertOne medical alert system? She has had two different medical alert services, and we have had the problem with both. Life Alert sent a filter to install, but that didn't solve it. Any ideas?
     
  2. davenn

    davenn Moderator

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    Sep 5, 2009
    Hi Christine
    Welcome :)

    without knowing more about your mom's specific unit....

    Many of those systems share frequencies with a number of other services, its quite possible it picking up one or more of them that has started up in your area

    cheers
    Dave
     
  3. christine

    christine

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    Jun 27, 2011
    Thank-you for your response. Is there anything that can be done? Would her satellite dish or cordless phone be a factor?
     
  4. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Jan 21, 2010
    Highly unlikely to be the satellite dish.

    The only (easy) thing to do is to go around unplugging stuff while the interference is present and determine if it is related to something in particular.

    Once you know the source, it may be easier to suggest what you can do.

    If it's another device transmitting on the same frequency then there may be little you can do other than separate them as much as possible.
     
  5. davenn

    davenn Moderator

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    Sep 5, 2009
    cordless phone is highly possible. medic alerts are commonly on either 433MHz or 2.4GHz. There are cordless phones on both those freqs, tho the 2.4GHz is more common.
    It may not be your phone .... could easily be a neighbour's one

    Dave
     
  6. poor mystic

    poor mystic

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    Apr 8, 2011
    If it's picking up AM radio signals it might be a faulty connection, where copper oxide has formed a rectifier. This happens especially easily where wires have been twisted together rather than properly joined.

    PS Sorry, I thought you were talking about a nurse-call system there at first
     
    Last edited: Jun 28, 2011
  7. christine

    christine

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    Jun 27, 2011
    Thank-you all so much. I moved the unit to a different room with no other electronics. So far so good.
     
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