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Recommended separation distances between portable and mobile RF
communications equipment and the Phyaction-series device
The Phyaction-series device is intended for use in the electromagnetic
environment in which radiated RF disturbances are contolled. The customer
or the user of a Phyaction-series device can help prevent electromagnetic
interference by maintaining a minimum distance between portable and
mobile RF communications equipment (transmitters) and the Phyaction-
series devices as recommended below, according to the maximum output
power of the communications equipment.
Rated maximum
output power of
transmitter
W
0,01
0,1
1
10
100
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 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.
Phyaction CL
Separation distance according to frequency of transmitter
150 kHz to 80 MHz
d = 0,35÷p
0,04
0,11
0,35
1,11
3,50
83
m
80 MHz to 800 MHz
d = 0,35÷p
0,04
0,11
0,35
1,11
3,50
800 MHz to 2,5 GHz
d = 0,70÷p
0,07
0,22
0,70
2,21
7,00
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