Motorola MBP27T Руководство пользователя - Страница 32
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Recommended separation distances between portable and
mobile RF communications equipment and the ME EQUIPMENT or ME SYSTEM
The MBP27T/MBP27T-2/MBP27T-3/MBP27T-4 is intended for use in an electromagnetic environment
in which radiated RF disturbances are controlled. The customer or the user of the MBP27T/MBP27T-2/
MBP27T-3/MBP27T-4 can help prevent electromagnetic interference by maintaining a minimum
distance between portable and mobile RF communications equipment (transmitters) and the MBP27T/
MBP27T-2/MBP27T-3/MBP27T-4 as recommended below, according to the maximum output power of
the communications equipment.
Rated maximum output
power of transmitter
W
0,01
0,1
1
10
100
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.
32
Separation distance according to frequency of transmitter
150 kHz to 80 MHz
d = 1,2
0,12
0,38
1,2
3,8
12
m
80 MHz to 800 MHz
d = 1,2
0,12
0,38
1,2
3,8
12
800 MHz to 2,5 GHz
d = 2,3
0,23
0,73
2,3
7,3
23
General Information