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Recommended separation distances between portable and mobile
RF communications equipment and the EQUIPMENT or SYSTEM -
portable and mobile RF communications equipment and the 【 【 FDES116 】 】
The 【 【 FDES116 】 】 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The
【 【 FDES116 】 】
customer or the user of the
between portable and mobile RF communications equipment (transmitters) and the
according to the maximum output power of the communications equipment
150 kHz to 80 MHz
outside ISM and amateur radio
Rated
bands
maximum
3
5 .
output of
[
]
d
=
transmitter
V
1
W
0.01
0.12
0.1
0.38
1
1.2
10
3.8
100
12
For transmitters rated at a maximum output power not listed above the recommended separation distance d in metres (m)
can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power
rating of the transmitter in watts (W) according to the transmitter manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for 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.
Tesmed copyright - it is absolutely forbidden the partial or total reproduction of any present content
for EQUIPMENT and SYSTEMS
Recommended separation distances between
can help prevent electromagnetic interference by maintaining a minimum distance
Separation distance according to frequency of transmitter
m
150 kHz to 80 MHz
in ISM and amateur radio
bands
12
P
=
d
P
[
]
V
2
0.20
0.63
2.00
6.32
20.00
167
【 【 FDES116 】 】
as recommended below,
80 MHz to 800 MHz
800 MHz to 2.7 GHz
3
5 .
7
d
=
[
]
P
d
=
[
E
E
1
0.035
0.11
0.35
1.10
35
]
P
1
0.07
0.22
0.70
2.21
70
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