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Tab. 3) Guidance and manufacturer’s declaration - electromagnetic immunity
The Device is intended for use in the electromagnetic environment specified below.
The customer or the user of the Device should assure that it is used in such an environment
Radiated RF
IEC61000-4-3
10V/m
10V/m
80 MHz to 800MH√
d=1.2√P
800 MHz to 2.7
GHz√
d=2.3√P
Where P is the maximum output power rating of the transmitter in watts (W)
according to the transmitter manufacturer, d is the
recommended separation distance in meters (m) Field strengths from fixed RF
transmitters, as determined by an electromagnetic site surveya ,should be less
than the compliance level in each
frequency range b
Interference may occur in the vicinity of equipment marked with the following
symbol:
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2 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 the device is used exceeds the applicable RF compliance level above, the device should be observed to
verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the device.
b Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
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