a. 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 theoreti-
cally with accuracy. To assess the electromagnetic environment due to
fixed RF transmitters, an electromagnetic site survey should be consid-
ered. If the measured field strength in the location in which the M-DEX is
used exceeds the applicable RF compliance level above, the M-DEX should
be observed to verify normal operation. If abnormal performance is ob-
served, additional measures may be necessary, such as re-orienting or
re-locating the M-DEX.
b. Over the frequency range 150 kHz to 80 MHz, field strengths should be
less than 3 V/m.
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