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Recommended Separation Distances:
Recommended separation distance between portable and mobile RF communications equipment
and the HBP-1300
The HBP-1300 is intended for use in an electromagnetic environment in which radiated RF disturbances are
controlled. The customer or the user of the HBP-1300 can help prevent electromagnetic interference by
maintaining a minimum distance between portable and mobile RF communications equipment (transmitters)
and the HBP-1300 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
d = 1.2
80 MHz to 800 MHz
d = 1.2
800 MHz to 2.5 GHz
d = 2.3
0.01 0.12 0.12 0.23
0.1 0.380.380.73
11.21.22.3
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 metres (m) can be determined 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.
Note1: At 80MHz and 800MHz, the separation distance for the higher frequency range applies
Note2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects and people.
P P P