9-4. Recommended separation distances between portable and mobile
RF communications equipment and the DTS-3000
The DTS-3000 is intended for use in an electromagnetic environment in which radiated
RF disturbances are controlled. The customer or the user of the DTS-3000 can help prevent
electromagnetic interference by maintaining a minimum distance bet ween portable and
mobile RF communications equipment (transmitters) and the DTS-3000 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
80 MHz to 800 MHz
800 MHz to 2, 5 GHz
0.01
0.117
0.117
0.233
0.1
0.369
0.369
0.738
1
1.167
1.167
2.333
10
3.689
3.689
7.379
100
11.667
11.667
23.333
For transmitters rated at a maximum output power not listed above, the recommended
separation distance in metres (m) can be estimated using the equation applicable
to the frequency of the transmitter, where 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. Electromagnet ic propagation is
affected by absorption and reflection from structures, objects and people.
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