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APPENDIX E
Electromagnetic Compatibility (EMC)
Recommended separation distances between portable and mobile RF communications equipment and
the Macroduct Advanced System
The Macroduct 3710 is intended for use in an electromagnetic environment in which radiated RF disturbances are
controlled. The customer or the operator of the Macroduct 3710 can help prevent electromagnetic interference
by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters)
and the Macroduct 3710 as recommended below, according to the maximum output power of the
communications equipment.
Rated maximum output power
of transmitter (Watts)
Minimum separation distance (m) between portable and mobile RF
communications equipment and the Macroduct Advanced system
150 kHz to 80 MHz
d(m)= . √
80 MHz to 800 MHz
d(m)= . √
800 MHz to 2.7 GHz
d(m)= . √
.01 Watts Maximum .1 m .1 m .2 m
.1 Watts Maximum .4 m .4 m .7 m
.5 W Maximum
(typical mobile phone)
.8 m .8 m 1.6 m (mobile phone)
1 Watts Maximum 1.2 m 1.2 m 2.3 m
10 Watts Maximum 3.7 m 3.7 m 7.4 m
100 Watts Maximum 11.7 m 11.7 m 23.3 m
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