Panasonic CF-VCBU11U Instructions D'utilisation page 8

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Table 4
Recommended Separation Distances Between Portable and Mobile RF Communications
Equipment and the CF-VCBU11U.
The Model CF-VCBU11U is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The customer or the user of the Model CF-VCBU11U
can help prevent electromagnetic interference by maintaining a minimum distance between
portable and mobile RF communications equipment (transmitters) and the Model CF-VCBU11U
as recommended below, according to the maximum output power of the communications
equipment.
Rated maximum
output power of
transmitter
(Watts)
E
0.01
0.1
1
10
100
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 refl ection from structures, objects and people.
8
Separation distance according to frequency of transmitter
(Meters)
150 kHz to 80 MHz
d = 1.2√P
0.12
0.38
1.2
3.8
12
80 MHz to 800 MHz
d = 1.2√P
0.12
0.38
1.2
3.8
12
800 MHz to 2.5 GHz
d = 2.3√P
0.23
0.73
2.3
7.3
23