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US – Radio Frequency
Requirements
US Federal
Communications
Commission (FCC)
EMC Compliance
This device must not be co-located or operated in conjunction with any
other antenna or transmitter.
This device is for indoor use only when using channels 36, 40, 44 or 48
in the 5.15 to 5.25 GHz frequency range.
High power radars are allocated as primary users of the 5.25 to 5.35 GHz
and 5.65 to 5.85 GHz bands. These radar stations can cause interference
with and/or damage this device.
FCC NOTICE: To comply with FCC part 15 rules in the United States, the
system must be professionally installed to ensure compliance with the
Part 15 certification. It is the responsibility of the operator and
professional installer to ensure that only certified systems are deployed
in the United States. The use of the system in any other combination
(such as co-located antennas transmitting the same information) is
expressly forbidden in accordance with FCC rules CFR47 Part 15.204.
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged
to try to correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.
■
Increase the separation between the equipment and receiver.
■
Connect the equipment into an outlet on a circuit different from that
■
to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
■
The user may find the following booklet prepared by the Federal
Communications Commission helpful:
The Interference Handbook
This booklet is available from the U.S. Government Printing Office,
Washington, D.C. 20402. Stock No. 004-000-0034504.
3Com is not responsible for any radio or television interference caused
by unauthorized modification of the devices included with this 3Com
WLAN Managed AP3850, Model AP3850 (3CRWX385075A), or the
substitution or attachment of connecting cables and equipment other
than specified by 3Com.
The correction of interference caused by such unauthorized modification,
substitution or attachment will be the responsibility of the user.
Changes or modifications not expressly approved by 3Com could void the
user's authority to operate this equipment.
3Com Corporation
350 Campus Drive
Marlborough, MA 01752-3064, USA
(508) 323-5000
Date: June 21, 2007