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8-8
Recommended separation distances between
portable and mobile RF communications equipment and the
OA-2000
The OA-2000 is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the OA-2000 can help prevent
electromagnetic interference by maintaining a minimum distance between portable and mobile
RF communications equipment (transmitters) and the OA-2000 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
m
150 kHz to 80 MHz
d =1.2
80 MHz to 800 MHz
d =1.2
800 MHz to 2.5 GHz
d =2.3
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 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 80MHz and 800MHz, 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.
Table 206
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