Electromagnetic compatibility
000000-2121-813-GA-GB-050416
60
Recommended separation distances between portable and mobile RF communications equipment
and the CIRRUS photo
The CIRRUS photo is intended for use in an electromagnetic environment in which radiated RF disturbances
are controlled. The customer or the user of the CIRRUS photo can help prevent electromagnetic interference
by maintaining a minimum distance between portable and mobile RF communications equipment
(transmitters) and the CIRRUS photo as recommended below, according to the maximum output power of the
communications equipment.
Rated maximum
output power of
transmitter
W
Separation distance according to frequency of transmitter
m
150 kHz to 80 MHz
80 MHz to 800 MHz
800 MHz to 2.5 GHz
d = 1.2
d = 1.2
d = 2,3
0.01
0.12
0.12
0.23
0.1
0.37
0.37
0.74
1
1.2
1.2
2.3
10
3.7
3.7
7.4
100
12
12
23
For transmitters rated at a maximum output power not listed above, the recommended separation distance d
in meters (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 and 800 MHz, the separation distance of 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.
P
P
P
Содержание CIRRUS photo 600
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