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6
1. Important
Recommended separation distances between portable and mobile RF
communications equipment and the EQUIPMENT or SYSTEM – for EQUIPMENT and
SYSTEMS that are not LIFE-SUPPORTING:
The monitor is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The customer or the user of the monitor
can help prevent electromagnetic interference by maintaining a minimum distance
between portable and mobile RF communications equipment (transmitters) and the
monitor 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 (Meter)
150 kHz to 80 MHz
d = 1.2 √P
80 MHz to 800 MHz
d = 1.2 √P
800 MHz to 2.5 GHz
d = 2.3 √P
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
Note
• 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.
• At 80 MHz and 800 MHz, the separation distance for the higher frequency range
applies.
• 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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