EN
18
Recommended Separation Distances between Portable and Mobile
RF Communications Equipment and the X-ROM iQ sensor
The X-ROM iQ sensor is intended for use in an electromagnetic
environment in which radiated RF disturbances are controlled. The
customer or the user of the X-ROM iQ sensor can help prevent
electromagnetic interference by maintaining a minimum distance
between portable and mobile RF communications equipment
(transmitters) and the X-ROM 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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