53
CS200
Control Systems
Appendix
TABLE 13
Recommended separation distances between portable and mobile RF communications equipment
and the CS CONTROL SYSTEM.
The CS CONTROL SYSTEM is intended for use in an electromagnetic environment in which radiated RF disturbances
are controlled. The customer or the user of the CS CONTROL SYSTEM can help prevent electromagnetic interference by
maintaining a minimum distance between the portable and mobile RF communications equipment (transmitters) and the CS
CONTROL SYSTEM as recommended below, according to the maximum output power of the communications equipment.
Rated maximum output power of transmitter in watts
(W)
Separation distance according to frequency of transmitter in meters (m)
150kHz to 80MHz
d
= 1.2√
P
80MHz to
800MHz
d
= 1.2√
P
800MHz to 2.5GHz
d
= 2.3√
P
0.01
.12
.12
.23
0.1
.38
.38
.73
1.0
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 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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