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Conducted RF IEC
61000- 4-6 *
Radiated RF
IEC 61000-4-3
N N o o t t e e - - At 80 MHz and 800 MHz, the higher frequency range applies.
N N o o t t e e - - These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and
reflection from structures, objects and people.
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 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 I I s s o o l l i i b b r r i i u u m m is used exceeds the applicable RF
compliance level above, I I s s o o l l i i b b r r i i u u m m should be observed to verify normal operation. If abnormal performance is observed,
additional measures may be necessary, such as reorienting or relocating I I s s o o l l i i b b r r i i u u m m .
b
Over the frequency range 150 kHz to 80 MHz, field strengths are less than 3 V/m.
2972-009-001 AB.0
3 Vrms
150 kHz to 80 MHz
3 V/m
80 MHz to 2.5 GHz
Portable and mobile RF communications
equipment should be used no closer to any
part of I I s s o o l l i i b b r r i i u u m m , including cables, than the
recommended separation distance calculated
from the equation appropriate for the
Recommended Separation Distance
3 Vrms
3 V/m
where P is the maximum output power rating
of the transmitter in watts (W) according to
the transmitter manufacturer and d is the
recommended separation distance in meters
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site
survey,
Interference may occur in the vicinity of
equipment marked with the following symbol:
frequency of the transmitter.
d=1.2√ P
d=1.2√ P
80 MHz to 800 MHz
d=2.3√ P
800 MHz to 2.5 GHz
(m).
a
should be less than the compliance
level in each frequency range.
b
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