Apex Digital DOMUS 2+, User Manual, Page: 17 / 113

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Recommended separation distances between portable and mobile RF
communications equipment and this device:
This device is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of this device can help prevent
electromagnetic interference by maintaining a minimum distance between portable and mobile
RF communications equipment (transmitters) and this device 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 m
150 kHz to 80 MHz
P d 2 . 1

80 MHz to 800 MHz
P d 2 . 1

800 MHz to 2,5 GHz
P d 3 . 2

0.01 0.12
0.12 0.23
0.1 0.38
0.38 0.73
1 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.