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NOTE 1) These guidelines may not apply in all situatio Electromagnetic
propagation is affected by absorptio
n and reflection from structures, objects and
NOTE 2) It is essential that the actual
shielding effectiveness and filter
attenuation of the shielded location be
verified to assure that they meet the
fixed transmitters, such as base stations for radio
(cellular/cordless) telephones and land mobile radios, amateur radio, AM and FM
radio broadcast and TV broadcast cannot be predicted theoretically with
accuracy. To assess the electromagnetic environment
electromagnetic site survey should be considered. If the measured field strength
outside the shielded location in which the EUT is used exceeds 3V/m, the EUT
should be observed to verify normal operation.
ormance is observed, additional measures may be necessary,
such as relocating the EUT or using a shielded location with a higher RF
shielding effectiveness and filter attenuation.
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