Except for rebuilding the break rooms with foil-lined dry wall, metal
flooring, screened windows, filtered power, waveguide-beyond-cutoff
ventilation grills, and RF tight doors, I don't know there is much for a
solution.
I was told that in one major Boeing plant, communications as 2.4 GHz is all
but impossible -- there are microwave ovens scattered around the various
break rooms running off of all three phases of the electrical power
(120/208 volts "Y"); and due to variety of manufacturers, generating RF
during both polarities of each phase. In other words, continuous 2.4 GHz
RF.
Except for specialize industrial units, I don't think you will find
microwave ovens running at any other frequency.
Don Borowski
Schweitzer Engineering Labs
Pullman, WA, USA
"Kunde, Brian"
<brian_kunde@leco
tc.com> To
Sent by: "emc-pstc" <[email protected]>
[email protected] cc
Subject
10/06/2008 01:02 Microwave Oven Interference with
PM 2.4Ghz Wireless LAN
I have just received and interesting call from our IT guys in our
production facility. They have installed a 2.4Ghz wireless LAN system in
our production and stock room areas, which is a huge area, and which
includes 13 Access Points and a couple dozen wireless devices such as
bar code readers, computers, and printers.
They discovered that they are having a major interference problem which
they have narrowed down to the Microwave Ovens in the two break areas.
Evidently, Microwave Ovens run at 2.45Ghz.
It would be very difficult to remove the ovens or to move the break
areas.
Have any of you experts have experience with this issue? Any
suggestions? Are new ovens better then older ones? Are the microwave
ovens that run at a different frequency? Would it help to try and shield
the ovens better? Please help.
The Other Brian
LECO Corporation Notice: This communication may contain confidential
information intended for the named recipient(s) only. If you received this
by mistake, please destroy it and notify us of the error. Thank you.
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