42
Immunity
Test
IEC 60601
Test level
Compli-
ance level
Electromagnetic environ-
ment – guidance
Where
P
is the maximum
output power rating of the
transmitter in watts (W)
according to the transmit-
ter manufacturer and
d
is
the recommended separa-
tion distance in meters
(m).
Field strengths from fixed
RF transmitters, as deter-
mined by an electromag-
netic site survey
a
, 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. Elec-
tromagnetic propagation is affected by absorption and reflection
from structures, objects and people.