User's Manual
118
User's Guide
Recommended Separation Distances Between Portable and Mobile RF
Communications Equipment and the NESS H200 Wireless System
The NESS H200 Wireless System is intended for use in an electromagnetic environment in
which radiated RF disturbances are controlled. The customer or the user of the NESS H200
Wireless System can help prevent electromagnetic interference by maintaining a minimum
distance between portable and mobile RF communications equipment (transmitters) and
the NESS H200 Wireless 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)