EMC Guidance and Manufacturer’s Declaration 15-5
Field strengths from 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 due to fixed RF transmitters, an
electromagnetic site survey should be considered. If the measured field strength in
the location in which system is used exceeds the applicable RF compliance level
above, system should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as
reorienting or relocating system.
Over the frequency ranges 150kHz to 80MHz, field strengths should be less than
3V/m.
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