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Chapter 1 Safety
Recommended Separation Distance between Wireless RF Communication
Equipment and MySono U5
This product is used in an electromagnetic environment where induced radio frequency interference
is under constant control. The customer or user of this product can help prevent electromagnetic
interference by maintaining a minimum separation distance between portable and mobile RF
communications equipment (transmitters) and this product 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]
150kHz to 80MHz
80MHz to 800MHz 800MHz to 2.5GHz
V
1
=0.01Vrms E
1
=3 V/m E
1
=3V/m
0.01 35.00 0.11 0.23
0.1 110.68 0.36 0.73
1 350.00 1.16 2.33
10 1106.80 3.68 7.37
100 3500.00 11.66 23.33
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 80MHz and 800MHz, the separation distance for the higher frequency range applies.
NOTE 2) These guidelines may not apply in all situations. Electromagnetic propagation is aected by absorption
and reection from structures, objects and people.
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