EN
15
Recommended Separation Distances between Portable and Mobile
RF Communications Equipment and the SRB iQ sensor
The SRB iQ sensor is intended for use in an electromagnetic environment
in which radiated RF disturbances are controlled. The customer or the
user of the SRB iQ sensor can help prevent electromagnetic interference
by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the SRB iQ sensor as
recommended below, according to the maximum output power of the
communications equipment.
Rated
maximum
output power
of transmitter
(Watts)
Separation distance according to frequency of
transmitter (Meters)
150 KHz to
80 MHz
d = 1.2 √P
80 MHz to
800 MHz
d = 0.35 √P
800 MHz to
2.5 GHz
d = 0.7 √P
0.01
0.12
0.03
0.07
0.1
0.38
0.11
0.22
1
1.2
0.35
0.7
10
3.8
1.1
2.2
100
12
3.5
7
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 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.
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