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Appendix B
Specifications
27
Simultaneous Dual-Band Wireless-N Router
Appendix B:
Specifications
Model
WRT400N
Standards
Draft 802.11n, 802.11a, 802.11g,
802.11b, 802.3, 802.3u
Ports
Power, Ethernet, Internet
Button
Reset, Wi-Fi Protected Setup
LEDs
Power, Internet, Wireless,
Wi-Fi Protected Setup,
Ethernet (1-4)
Number of Antennas 4 Total, 2 Internal Antennas per
Each 2.4 GHz & 5 GHz Radio Band
Modulations
802.11b: CCK, QPSK, BPSK
802.11g: OFDM
802.11a: OFDM
Wireless-N: BPSK, QPSK, 16-QAM,
64-QAM
Streams
Two Spatial Streams for
Transmitting and Receiving in
2.4 GHz Radio Band
Two Spatial Streams for
Transmitting and Receiving in
5 GHz Radio Band
Receive Sensitivity
2.4 GHz
11 Mbps: -88 dBm @ Typical
54 Mbps: -72 dBm @ Typical
MCS15 (20MHz): -68 dBm @ Typical
MCS15 (40MHz): -65 dBm @ Typical
5 GHz
54 Mbps: -72 dBm @ Typical
MCS15 (20MHz): -68 dBm @ Typical
MCS15 (40MHz): -65 dBm @ Typical
Antenna Gain in dBi
2.4 GHz
RIFA 1 <= 1.3 dBi (Typical)
RIFA 2 <= 3.5 dBi (Typical)
5 GHz
RIFA 1 <= 3.85 dBi (Typical)
RIFA 2 <= 3.04 dBi (Typical)
UPnP
Supported
Security Features
WEP, WPA, WPA2
WEP Key Bits
Up to 128-Bit Encryption
Environmental
Dimensions
8.07" x 1.38" x 6.30"
(205 x 35 x 160 mm)
Unit Weight
1.01 lb (460 g)
Power
12V, 1.5A
Certifications
FCC, IC, Wi-Fi a/b/g/draft-n
Operating Temp.
0 to 40°C (32 to 104°F)
Storage Temp.
-20 to 70°C (-4 to 158°F)
Operating Humidity
10 to 85%, Noncondensing
Storage Humidity
5 to 90% Noncondensing
Specifications are subject to change without notice.
Page 32 / 53
Appendix C
Warranty Information
28
Simultaneous Dual-Band Wireless-N Router
Appendix C:
Warranty Information
Limited Warranty
Linksys warrants this Linksys hardware product against
defects in materials and workmanship under normal
use for the Warranty Period, which begins on the date of
purchase by the original end-user purchaser and lasts for
the period specified below:
One (1) year for new product
Ninety (90) days for refurbished product
This limited warranty is non-transferable and extends only
to the original end-user purchaser. Your exclusive remedy
and Linksys’ entire liability under this limited warranty
will be for Linksys, at its option, to (a) repair the product
with new or refurbished parts, (b) replace the product
with a reasonably available equivalent new or refurbished
Linksys product, or (c) refund the purchase price of the
product less any rebates. Any repaired or replacement
products will be warranted for the remainder of the
original Warranty Period or thirty (30) days, whichever is
longer. All products and parts that are replaced become
the property of Linksys.
Exclusions and Limitations
This limited warranty does not apply if: (a) the product
assembly seal has been removed or damaged, (b) the
product has been altered or modified, except by Linksys, (c)
the product damage was caused by use with non-Linksys
products, (d) the product has not been installed, operated,
repaired, or maintained in accordance with instructions
supplied by Linksys, (e) the product has been subjected to
abnormal physical or electrical stress, misuse, negligence,
or accident, (f) the serial number on the Product has been
altered, defaced, or removed, or (g) the product is supplied
or licensed for beta, evaluation, testing or demonstration
purposes for which Linksys does not charge a purchase
price or license fee.
ALL
SOFTWARE
PROVIDED
BY
LINKSYS
WITH
THE
PRODUCT,
WHETHER
FACTORY
LOADED
ON
THE
PRODUCT OR CONTAINED ON MEDIA ACCOMPANYING
THE PRODUCT, IS PROVIDED “AS IS” WITHOUT WARRANTY
OF ANY KIND. Without limiting the foregoing, Linksys does
not warrant that the operation of the product or software
will be uninterrupted or error free. Also, due to the
continual development of new techniques for intruding
upon and attacking networks, Linksys does not warrant
that the product, software or any equipment, system or
network on which the product or software is used will be
free of vulnerability to intrusion or attack. The product
may include or be bundled with third party software or
service offerings. This limited warranty shall not apply to
such third party software or service offerings. This limited
warranty does not guarantee any continued availability
of a third party’s service for which this product’s use or
operation may require.
TO THE EXTENT NOT PROHIBITED BY LAW, ALL IMPLIED
WARRANTIES AND CONDITIONS OF MERCHANTABILITY,
SATISFACTORY QUALITY OR FITNESS FOR A PARTICULAR
PURPOSE ARE LIMITED TO THE DURATION OF THE
WARRANTY PERIOD. ALL OTHER EXPRESS OR IMPLIED
CONDITIONS,
REPRESENTATIONS
AND
WARRANTIES,
INCLUDING,
BUT
NOT
LIMITED
TO,
ANY
IMPLIED
WARRANTY OF NON-INFRINGEMENT, ARE DISCLAIMED.
Some jurisdictions do not allow limitations on how long
an implied warranty lasts, so the above limitation may not
apply to you. This limited warranty gives you specific legal
rights, and you may also have other rights which vary by
jurisdiction.
TO THE EXTENT NOT PROHIBITED BY LAW, IN NO EVENT
WILL LINKSYS BE LIABLE FOR ANY LOST DATA, REVENUE
OR PROFIT, OR FOR SPECIAL, INDIRECT, CONSEQUENTIAL,
INCIDENTAL OR PUNITIVE DAMAGES, REGARDLESS OF THE
THEORY OF LIABILITY (INCLUDING NEGLIGENCE), ARISING
OUT OF OR RELATED TO THE USE OF OR INABILITY TO
USE THE PRODUCT (INCLUDING ANY SOFTWARE), EVEN
IF LINKSYS HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. IN NO EVENT WILL LINKSYS’ LIABILITY
EXCEED THE AMOUNT PAID BY YOU FOR THE PRODUCT.
The foregoing limitations will apply even if any warranty
or remedy provided under this limited warranty fails of
its essential purpose. Some jurisdictions do not allow
the exclusion or limitation of incidental or consequential
damages, so the above limitation or exclusion may not
apply to you.
Obtaining Warranty Service
If you have a question about your product or experience a
problem with it, please go to
www.linksys.com/support
where you will find a variety of online support tools and
information to assist you with your product. If the product
proves defective during the Warranty Period, contact
Linksys Technical Support for instructions on how to
obtain warranty service. The telephone number for Linksys
Technical Support in your area can be found in the product
User Guide and at
www.linksys.com
. Have your product
serial number and proof of purchase on hand when calling.
A DATED PROOF OF ORIGINAL PURCHASE IS REQUIRED
TO PROCESS WARRANTY CLAIMS. If you are requested to
return your product, you will be given a Return Materials
Authorization (RMA) number. You are responsible for
properly packaging and shipping your product to Linksys
at your cost and risk. You must include the RMA number
and a copy of your dated proof of original purchase when
returning your product. Products received without a RMA
number and dated proof of original purchase will be
Page 33 / 53
Appendix C
Warranty Information
29
Simultaneous Dual-Band Wireless-N Router
rejected. Do not include any other items with the product
you are returning to Linksys. Defective product covered
by this limited warranty will be repaired or replaced and
returned to you without charge. Customers outside of
the United States of America and Canada are responsible
for all shipping and handling charges, custom duties,
VAT and other associated taxes and charges. Repairs or
replacements not covered under this limited warranty will
be subject to charge at Linksys’ then-current rates.
Technical Support
This limited warranty is neither a service nor a support
contract. Information about Linksys’ current technical
support offerings and policies (including any fees for
support services) can be found at:
www.linksys.com/support
.
This limited warranty is governed by the laws of the
jurisdiction in which the Product was purchased by you.
Please direct all inquiries to: Linksys, P.O. Box 18558, Irvine,
CA 92623.
Page 34 / 53
Appendix D
Regulatory Information
30
Simultaneous Dual-Band Wireless-N Router
Appendix D:
Regulatory Information
FCC Statement
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.
This product has been tested and complies with the
specifications 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 according to 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 is found 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 or
devices
Connect the equipment to an outlet other than the
receiver’s
Consult a dealer or an experienced radio/TV technician
for assistance
FCC Caution: Any changes or modifications not expressly
approved by the party responsible for compliance could
void the user’s authority to operate this equipment.
FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure
limits set forth for an uncontrolled environment. This
equipment should be installed and operated with
minimum distance 20 cm between the radiator and your
body.
This transmitter must not be co-located or operating in
conjunction with any other antenna or transmitter, except
the built-in collocated transmitters. The availability of some
specific channels and/or operational frequency bands are
country dependent and are firmware programmed at the
factory to match the intended destination. The firmware
setting is not accessible by the end user.
The device for the band 5150-5250 MHz is only for indoor
usage to reduce the potential for harmful interference
to co-channel mobile satellite systems; the maximum
antenna gain of 3 dBi permitted (for devices in the band
5725-5825 MHz) to comply with the e.i.r.p. limits specified
for point-to-point and non point-to-point operation as
appropriate, as stated in section A9.2(3).
Safety Notices
Caution: To reduce the risk of fire, use only No.26 AWG
or larger telecommunication line cord.
Do not use this product near water, for example, in a
wet basement or near a swimming pool.
Avoid using this product during an electrical storm.
There may be a remote risk of electric shock from
lightning.
WARNING:
This product contains lead, known
to the State of California to cause cancer, and
birth defects or other reproductive harm. Wash
hands after handling.
Industry Canada Statement
This Class B digital apparatus complies with Canadian
ICES-003 and RSS210.
Operation is subject to the following two conditions:
This device may not cause interference and
1.
This
device
must
accept
any
interference,
including
2.
interference that may cause undesired operation of
the device.
To reduce potential radio interference to other users, the
antenna type and its gain should be so chosen that the EIRP
is not more than required for successful communication.
Industry Canada Radiation Exposure Statement
This equipment complies with IC radiation exposure limits
set forth for an uncontrolled environment. This equipment
should be installed and operated with minimum distance
20 cm between the radiator & your body.
This transmitter must not be co-located or operating in
conjunction with any other antenna or transmitter, except
the built-in collocated transmitters.
Restrictions in the 5 GHz Band
The device for the band 5150-5250 MHz is only for indoor
usage to reduce potential for harmful interference to co-
channel mobile satellite systems.
Page 35 / 53
Appendix D
Regulatory Information
31
Simultaneous Dual-Band Wireless-N Router
Avis d’Industrie Canada
Cet appareil numérique de la classe B est conforme aux
normes NMB-003 et RSS210 du Canada.
L’utilisation de ce dispositif est autorisée seulement aux
conditions suivantes :
il ne doit pas produire de brouillage et
1.
il
doit
accepter
tout
brouillage
radioélectrique
reçu,
2.
même si ce brouillage est susceptible de compromettre
le fonctionnement du dispositif.
Avis d’Industrie Canada concernant l’exposition
aux radiofréquences
Ce matériel est conforme aux limites établies par IC
en matière d’exposition aux radiofréquences dans un
environnement non contrôlé. Ce matériel doit être installé
et utilisé à une distance d’au moins 20 cm entre l’antenne
et le corps de l’utilisateur.
Cet émetteur ne doit pas être utilisé avec d’autres types
d’antennes que celles conçues spécifiquement pour lui.
Restrictions dans la bande 5 GHz
L’appareil pour la bande de 5 150 à 5 250 MHz est conçu
pour usage à l’intérieur seulement afin de réduire le
potentiel d’interférences pour les systèmes mobiles par
satellite qui utilisent le même canal.
Wireless Disclaimer
The maximum performance for wireless is derived from
IEEE Standard 802.11 specifications. Actual performance
can vary, including lower wireless network capacity,
data throughput rate, range and coverage. Performance
depends on many factors, conditions and variables,
including distance from the access point, volume of
network traffic, building materials and construction,
operating system used, mix of wireless products used,
interference and other adverse conditions.
Avis de non-responsabilité concernant les
appareils sans fil
Les performances maximales pour les réseaux sans fil
sont tirées des spécifications de la norme IEEE 802.11.
Les performances réelles peuvent varier, notamment
en fonction de la capacité du réseau sans fil, du débit
de la transmission de données, de la portée et de la
couverture. Les performances dépendent de facteurs,
conditions et variables multiples, en particulier de la
distance par rapport au point d’accès, du volume du trafic
réseau, des matériaux utilisés dans le bâtiment et du
type de construction, du système d’exploitation et de la
combinaison de produits sans fil utilisés, des interférences
et de toute autre condition défavorable.

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