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Recommended separation distances between
portable and mobile RF communications equipment and the model FR1DQ1-B
The model FR1DQ1-B is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The customer or the user of the model FR1DQ1-B
can help prevent electromagnetic interference by maintaining a minimum distance
between portable and mobile RF communications equipment (transmitters) and the
model FR1DQ1-B as recommended below, according to the maximum output power of the
communications equipment.
Rated
maximum
output
power
of transmitter
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 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.
Separation distance according to frequency of transmitter
150 kHz to 80 MHz
/
/
/
/
/
m
80 MHz to 800 MHz
0.12
0.38
1.2
3.8
12
800 MHz to 2.5 GHz
0.23
0.73
2.3
7.3
23
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