●
Recommended Separation Distances between Portable and Mobile RF
Communications Equipment and the DS-7000
The DS-7000 is intended for use in an environment in which radiated RF disturbances are controlled.
The electromagnetic interference can be prevented by maintaining a minimum distance between
portable and mobile RF communications equipment (transmitters) and the DS-7000 as recommended
below, according to the maximum output power of the communications equipment.
Separation Distance according to Frequency of
Transmitter (m)
Rated Maximum
Output Power of
Transmitter
(
W
)
150kHz to 80MHz
d = 1.2
P
80MHz to 800MHz
d = 1.2
P
800MHz to 2.5GHz
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 rated at a maximum output power not listed above, the recommended separation
distance d in meters (m) can be determined 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 reflection from structures, objects and people.
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