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Jammed remotes

Discussion in 'Electronic Basics' started by Yukio YANO, Apr 22, 2007.

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  1. Yukio YANO

    Yukio YANO Guest

    Sorry, I thought you were referring to a Garage door opener, but the
    Microwave Oven/Transmitter interference suggestion still applies.

    Yukio YANO
  2. Guest

    We tried over a period of several hours but the remotes didn't work on
    the drive (5 cars affected in total over the two days). All remotes
    work away from the house.
  3. You need a receiver which can pick up the carrier used, a portable antenna,
    and the patience to track down the source. You could try your local FCC
  4. Jamie

    Jamie Guest

    Just hope you don't have some scrupulous person aiming a magnetron
    from an Microwave oven at you? Have you been upsetting any one in
    your area lately ?
  5. Puckdropper

    Puckdropper Guest

    Playing loud music perhaps? ;-)

  6. jasen

    jasen Guest

    Sounds like there's a short-range transmitter somewhere near your house
    before you alert the authorities eliminate any new appliances you have...
    (turn them off and see if that helps) you may wish to discuss the matter
    with your neighbours too.

    I recall reading an account of a faulty (but functional) CATV decoder that
    was operating as a radio jammer, so it needn't be an appliance that normally
    includes a radio transmitter.

  7. Sjouke Burry

    Sjouke Burry Guest

    Anybody in the neighborhood with a wireless video,
    is the opener maybe on a wifi or bluetooth freq??
    At our lab a wireless video was at the lower wifi
    band for example. As luck would have it we were able
    to select a higher band for the video.
    Maybe someone with a wireless mouse/keyboard close by?
    The ether is quickly turning into a mess, maybe shielding
    on the side away form the driveway might improve
    reception on the dooropener reciever.
  8. Try to determine the area in which the remotes don't work - this may
    help to localize the source of the interference, as that source should
    be near the center of the affected area (although buildings and
    terrain can affect radio propagation.)

    Peter Bennett, VE7CEI
    peterbb4 (at)
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