Safety
Electromagnetic compatibility (EMC)
Recommended separation distances between portable and mobile RF communications equip-
ment and system
The system is intended for use in an electromagnetic environment in which radiated RF disturbances
are controlled. The customer or the user of the system can help prevent electromagnetic interference
by maintaining a minimum distance between portable and mobile RF communications equipment
(transmitters) and the system 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
150 kHz to 80 MHz
d = 1.17 √p
80 MHz to 800 MHz
d = 0.35 √p
800 MHz to 2.7 GHz
d = 0.7 √p
0.01 0.12 0.04 0.07
0.1 0.37 0.11 0.22
1 1.17
0.35 0.7
10 3.69
1.11 2.21
100 11.67 3.5
7
For transmitters rated at a maximum output power not listed above, the recommended separation dis-
tance d in metres (m) can be estimated using the equation applicable to the frequency of the transmit-
ter, where p is the maximum output power rating of the transmitter in watts (W) according to the
transmitter manufacturer.
NOTE 1: These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption as reflection from structures, objects and people.
Operation Manual
1000-095-051-EN Rev. 1.1 ARCOMA AB
2020-06-16 Page 37 SWEDEN
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