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Recommended Separation Distances Between Portable and Mobile RF
Communications Equipment and the Product.
The Product is
intended for use in an electromagnetic environment in which radiated RF disturbances
are controlled. The user The Product
can help prevent electromagnetic interference by maintaining a
minimum distance between portable and mobile RF communications equipment (transmitters) and
as recommended below, according to the maximum output power of the communications
equipment.
Rated maximum output
power (W) of transmitter
Separation distance (m) according to frequency of transmitter
150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2.5 GHz
0.01 0.12 0.12 0.23
0.1 0.37 0.37 0.74
1 1.17 1.17 2.33
10 3.70 3.70 7.37
100 11.70 11.70 23.30
For transmitters rated at a maximum output power not listed above, the recommended separation di
stance (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.
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.
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