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AC Compressor Atomiser – Guidance and manufacturer's declaration
Table 4 – Recommended separation distances between portable and mobile RF communications equipment and
the device
The device is intended for use in an electromagnetic environment in which radiated RF disturbances are
controlled. The customer or the user of the device can help prevent electromagnetic interference by maintaining
a minimum distance between portable and mobile RF communications equipment (transmitters) and the device
as recommended below, according to the maximum output power of the communications equipment.
Rated maximum output
power of transmitter
W
0.01
0.1
1
10
100
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in
metres (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.
Separation distance according to frequency of transmitter
m
150 kHz to 80
150 kHz to 80 MHz
MHz (out ISM and
(in ISM and amateur
amateur radio
radio bands)
bands)
d=2√ P
d=1.2√ P
0.12
0.38
1.2
3.8
12
20
80MHz to
800MHz
d=1.2√ P
0.2
0.12
0.632
0.38
2
6.32
3.8
12
29
800MHz to
2.7GHz
d=2.3√ P
0.23
0.73
1.2
2.3
7.3
23
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