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Kurt Ullman

In article ,
wrote:

1) Don't they assign frequency ranges to things so that this sort of
thing doesn't happen?

As someone else stated the front end of the garage door openers
receiver is being swamped by a strong signal. This signal need not
be the same frequency. It only has to be very strong and dilute the
remote so that it can not be picked up.

Sorta like what happens when you are trying to use FM channels to
listen in your car to the portable iPod or satellite radio. You get a
strong station even a couple of channels over and you have to retune,
often to the other end of the spectrum.