User's Manual Part 6

141
Chapter 13 - Appendix - EMI Tables
Recommended Separation Distances Between Portable and Mobile RF
Communications Equipment and the NESS L300 Plus System
The NESS L300 Plus System is intended for use in an electromagnetic environment in
which radiated RF disturbances are controlled. The customer or the user of the NESS
L300 Plus System can help prevent electromagnetic interference by maintaining
a minimum distance between portable and mobile RF communications equipment
(transmitters) and the NESS L300 Plus System 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
150 kHz to 80
MHz Outside
ISM Bands
d = 1.2√P
80 MHz to 800
MHz
d = 0.4√P
800 MHz to
1000 MHz
d = 0.7√P
1000 MHz to
2.5 GHz
d = 2.3√P
0.01 4.7 in.
(0.12 m)
1.6 in.
(0.04 m)
2.8 in.
(0.07 m)
9.1 in.
(0.23 m)
0.1 15 in.
(0.38 m)
5.2 in.
(0.13 m)
8.7 in.
(0.22 m)
2 ft 5 in.
(0.73 m)
1 3 ft 11 in.
(1.2 m)
15 ft 7 in.
(0.4 m)
2 ft 4 in.
(0.7 m)
7 ft 7 in.
(2.3 m)
10 12 ft 6 in.
(3.8 m)
4 ft 2 in.
(1.3 m)
7 ft 3 in.
(2.2 m)
24 ft 11 in.
(7.3 m)
100 39 ft 4 in.
(12 m)
13 ft 1 in.
(4 m)
23 ft
(7 m)
75 ft 6 in.
(23 m)