Apple AirPort Extreme 802.11n (1st Generation) - Manual (Page 34)

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Communications Regulation Information
Wireless Radio Use
This device is restricted to indoor use due to its
operation in the 5.15 to 5.25 GHz frequency range to
reduce the potential for harmful interference to co-
channel Mobile Satellite systems.
Cet appareil doit être utilisé à l’intérieur.
Exposure to Radio Frequency Energy
The radiated output power of this device is well below
the FCC radio frequency exposure limits. However, this
device should be operated with a minimum distance of
at least 20 cm between its antennas and a person's
body and the antennas used with this transmitter must
not be co-located or operated in conjunction with any
other antenna or transmitter subject to the conditions
of the FCC Grant.
FCC Declaration of Conformity
This device complies with part 15 of the FCC rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2)
this device must accept any interference received,
including interference that may cause undesired
operation. See instructions if interference to radio or
television reception is suspected.
Radio and Television Interference
This computer equipment generates, uses, and can
radiate radio-frequency energy. If it is not installed and
used properly—that is, in strict accordance with Apple’s
instructions—it may cause interference with radio and
television reception.
This equipment has been tested and found to comply
with the limits for a Class B digital device in accordance
with the specifications in Part 15 of FCC rules. These
specifications are designed to provide reasonable
protection against such interference in a residential
installation. However, there is no guarantee that
interference will not occur in a particular installation.
You can determine whether your computer system is
causing interference by turning it off. If the interference
stops, it was probably caused by the computer or one of
the peripheral devices.
If your computer system does cause interference to
radio or television reception, try to correct the
interference by using one or more of the following
measures:
 Turn the television or radio antenna until the
interference stops.
 Move the computer to one side or the other of the
television or radio.
 Move the computer farther away from the television or
radio.
 Plug the computer into an outlet that is on a different
circuit from the television or radio. (That is, make
certain the computer and the television or radio are on
circuits controlled by different circuit breakers or
fuses.)
If necessary, consult an Apple Authorized Service
Provider or Apple. See the service and support
information that came with your Apple product. Or,
consult an experienced radio/television technician for
additional suggestions.