8
E
Table 4
Recommended Separation Distances Between Portable and Mobile RF Communications
Equipment and the CF-VCBC11U.
The Model CF-VCBC11U is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The customer or the user of the Model CF-VCBC11U
can help prevent electromagnetic interference by maintaining a minimum distance between
portable and mobile RF communications equipment (transmitters) and the Model CF-VCBC11U
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
= 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
For transmitters operating at a maximum output power not listed above, the recommended
separation distance
d
in meters 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
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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2010/06/22 16:05:13
