24 User Manual
Recommended Separation Distances between Portable and Mobile RF Communications Equipment and This Device: The 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.
ra t e D Ma x i M u M po w e r
ou t p u t o F tr a n s M i t t e r
w
se p a r a t i o n Di s t a n c e ac c o r D i n g t o Fr e q u e n c y o F tr a n s M i t t e r
M
150 kHz t o 80 MHz
d = 1.2
80 MHz t o 800 MHz
d = 1.2
800 MHz t o 2.5 gHz
d = 2.3
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 reection from structures,
objects, and people.
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