Advan 240-030-970 User Manual page 29

Recommended Separation Distances Between Portable and Mobile RF Communications Equipment
The Model 240-030-970 system is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The user of the Model 240-030-970 system can help
prevent electromagnetic interference by maintaining a minimum distance between portable and
mobile RF communications equipment (transmitters) and the Model 240-030-970 system as
recommended below, according to the maximum output power of the communications equipment..
Rated maximum output
power (W) of transmitter
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.
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and the Model 240-030-970 System
Separation distance (m) according to frequency of transmitter
150 kHz to 80 MHz
d = 1.17√P
0.12
0.37
1.17
3.70
11.70
80 kHz to 800 MHz
d = 1.17√P
0.12
0.37
1.17
3.70
11.70
800 kHz to 2.5 GHz
d = 1.17√P
0.23
0.74
2.33
7.37
23.30