34 | Dome Ex Display
4. RECOMMENDED SEPARATION DISTANCES
Recommended Separation Distances
Between Portable and Mobile RF Communications Equipment and the Dome E Series
The model Dome E series is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The customer or the user of the display can help
prevent electromagnetic interference by maintaining a minimum distance between portable
and mobile RF communications equipment (transmitters) and the displays 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
0.01
0.12
0.12
0.23
0.1
0.38
0.38
0.73
1
1.2
1.2
2.3
10
3.8
3.8
7.3
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 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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