TP-Link TD-W300KIT User manual

TL-WN821N
300Mbps Wireless N USB Adapter
REV: 3.0.2
1910010447

COPYRIGHT & TRADEMARKS
Specifications are subject to change without notice. is a registered trademark
of TP-LINK TECHNOLOGIES CO., LTD. Other brands and product names are trademarks or
registered trademarks of their respective holders.
No part of the specifications may be reproduced in any form or by any means or used to make any
derivative such as translation, transformation, or adaptation without permission from TP-LINK
TECHNOLOGIES CO., LTD. Copyright © 2011 TP-LINK TECHNOLOGIES CO., LTD. All rights
reserved.
http://www.tp-link.com

FCC STATEMENT
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.
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.
2) This device must accept any interference received, including interference that may
cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
Note: The manufacturer is not responsible for any radio or tv interference caused by unauthorized
modifications to this equipment. Such modifications could void the user’s authority to operate the
equipment.
FCC RF Radiation Exposure Statement:
This device has been tested for compliance with FCC RF Exposure (SAR) limits in the typical
laptop computer configuration and this device can be used in desktop or laptop computers. This
device cannot be used with handheld PDAs (personal digital assistants). This device and its
antenna must not be co-located or operated in conjunction with any other antenna or transmitter.
SAR measurements are based on a 5mm spacing from the body and that compliance is achieved
at that distance.

CE Mark Warning
This is a class B product. In a domestic environment, this product may cause radio interference, in
which case the user may be required to take adequate measures.
National restrictions
This device is intended for home and office use in all EU countries (and other countries following
the EU directive 1999/5/EC) without any limitation except for the countries mentioned below:
Country Restriction Reason/remark
Bulgaria None General authorization required for outdoor use and
public service
France
Outdoor use limited to 10
mW e.i.r.p. within the band
2454-2483.5 MHz
Military Radiolocation use. Refarming of the 2.4 GHz
band has been ongoing in recent years to allow current
relaxed regulation. Full implementation planned 2012
Italy None If used outside of own premises, general authorization is
required
Luxembourg None General authorization required for network and service
supply(not for spectrum)
Norway Implemented This subsection does not apply for the geographical area
within a radius of 20 km from the centre of Ny-Ålesund
Russian Federation None Only for indoor applications
Note: Please don’t use the product outdoors in France.

TP-LINK TECHNOLOGIES CO., LTD
TP-LINK TECHNOLOGIES CO., LTD.
South Building, No.5 Keyuan Road, Central Zone, Science & Technology Park, Nanshan,
Shenzhen, P. R. China
DECLARATION OF CONFORMITY
For the following equipment:
Product Description: 300Mbps Wireless N USB Adapter
Model No.: TL-WN821N
Trademark: TP-LINK
We declare under our own responsibility that the above products satisfy all the technical
regulations applicable to the product within the scope of Council Directives:
Directives 1999/5/EC
The above product is in conformity with the following standards or other normative documents:
ETSI EN 300 328 V1.7.1: 2006
ETSI EN 301 489-1 V1.8.1:2008 & ETSI EN 301 489-17 V1.3.2:2008
EN60950-1:2006
EN62311:2008
Recommendation 1999/519/EC
Person is responsible for marking this declaration:
Yang Hongliang
Product Manager of International Business

CONTENTS
Package Contents .................................................................................................... 1
Chapter 1. Introduction ........................................................................................ 2
1.1 Overview of the product...................................................................................................... 2
1.2 Features ............................................................................................................................. 2
1.3 LED Status ......................................................................................................................... 3
Chapter 2. Installation Guide ............................................................................... 4
2.1 Hardware Installation.......................................................................................................... 4
2.2 Software Installation ...........................................................................................................4
2.2.1 For Windows XP.......................................................................................................... 4
2.2.2 For Windows Vista ...................................................................................................... 9
2.2.3 For Windows 7 .......................................................................................................... 12
Chapter 3. Configuration Guide......................................................................... 16
3.1 For Windows XP............................................................................................................... 16
3.1.1 Current Status ........................................................................................................... 16
3.1.2 Profile Management .................................................................................................. 18
3.1.3 Diagnostics................................................................................................................ 27
3.2 For Windows Vista............................................................................................................ 28
3.3 For Windows 7 ................................................................................................................. 30
Chapter 4. QSS Configuration ........................................................................... 33
4.1 PBC (Push Button Configuration) method ........................................................................ 34
4.2 PIN method ......................................................................................................................37
4.2.1 Enter a PIN into your AP device................................................................................ 37
4.2.2 Enter the PIN from your AP device............................................................................ 38
Chapter 5. Example for Application .................................................................. 40
5.1 Configuration of PSP XLink Online game......................................................................... 40
Appendix A: Specifications................................................................................... 44
Appendix B: Glossary............................................................................................ 45

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Package Contents
The following contents should be found in your box:
¾One TL-WN821N 300Mbps Wireless N USB Adapter
¾Quick Installation Guide
¾One USB cable
¾One Resource CD for TL-WN821N, including:
•TP-LINK Wireless Client Utility (TWCU) and Drivers
•User Guide
•Other Helpful Information
)Note:
Make sure that the package contains the above items. If any of the listed items are damaged or
missing, please contact with your distributor.
Conventions:
The ‘Adapter’ mentioned in this user guide stands for TL-WN821N 300Mbps Wireless N USB
Adapter without any explanations.

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Chapter 1.Introduction
Thank you for choosing TL-WN821N 300Mbps Wireless N USB Adapter.
1.1 Overview of the product
The adapter is an 802.11n client device; it is designed to provide a high-speed and unrivaled
wireless performance for your notebook and PC. With a faster wireless connection, you can get a
better Internet experience, such as downloading, gaming, video streaming and so on.
With the 802.11n technology, higher throughput improvements using MIMO (multiple input,
multiple output antennas), the TL-WN821N’s auto-sensing capability allows high packet transfer
rate of up to 300Mbps for maximum throughput. It has good capability on anti-jamming, it can also
interoperate with other wireless (802.11b/g) products. The adapter supports WEP, WPA and
WPA2 encryption to prevent outside intrusion and protect your personal information from being
exposed.
The Quick Setup Wizard guides you step-by-step through the installation process; the TP-LINK
Wireless Client Utility helps you create a wireless connection immediately.
With unmatched wireless performance, reception, and security protection, the TL-WN821N is the
best choice for easily adding or upgrading wireless connectivity.
1.2 Features
¾Complies with IEEE802.11b, IEEE802.11g, IEEE802.11n standards
¾Supports WPA/WPA2 data security, IEEE802.1x authentication, TKIP/AES encryption, WEP
encryption
¾Supports high rate of up to 300Mbps for maximum throughput, supports automatically adjust
to lower speeds due to distance or other operating limitations
¾Provides USB interface
¾Supports Ad-Hoc and Infrastructure modes
¾Good capability on anti-jamming
¾Supports roaming between access points when configured in Infrastructure mode
¾Ease to configure and provides monitoring information
¾Supports Windows 2000, XP, Windows Vista and Windows 7.
¾Built-in two internal antennas which are listed in a format of 2x2 for two receivers and two
transmitters.

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1.3 LED Status
Status Working Status
On The driver has not been installed.
Flashing Slowly The driver has been installed but there is no data being
transmitted or received.
Flashing Quickly There is data being transmitted or received.
)Note:
When the card failed to connect to a wireless network, the LED may be off. Please choose your
network and try to connect again.

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Chapter 2.Installation Guide
2.1 Hardware Installation
There are two ways to install the Adapter:
1. Plug the Adapter directly to the USB port on your computer.
2. Connect the Adapter and your computer through the USB cable attached in package.
)Note:
The promoted Found New Hardware Wizard screen will pop up when the adapter is installed
correctly. Click Cancel.
2.2 Software Installation
2.2.1 For Windows XP
The Setup steps for Windows 2000 and XP are similar with each other. This user guide takes
Windows XP for example.
1. Insert the Resource CD into your CD-ROM drive, and then Figure 2-1 will appear. To
continue, select the TL-WN821N. There will be a menu including Install Driver & Utility,
QSS Installation and User Guide.
Figure 2-1
2. Click Install Driver & Utility to load the following screen.

TL-WN821N 300Mbps Wireless N USB Adapter
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Figure 2-2
3. Soon, Figure 2-3 will display after a moment. Click Next to continue.
Figure 2-3
4. After that, you should choose a Setup type. It is recommended that you select Install Client
Utilities and Driver. Select Install Driver Only to install driver only (shown in Figure 2-4).

TL-WN821N 300Mbps Wireless N USB Adapter
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Click Next to continue.
Figure 2-4
5. Click Browse to change the destination location for the software, then click Next in the
screen below (shown in Figure 2-5).
Figure 2-5

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6. After that, select the program folder, you should create a new folder name or select one from
the Existing Folders list. It is recommended that you keep the default setting. Click Next to
continue the installation.
Figure 2-6
7. Choose configuration tool, if you are not sure, please leave it by default. Then click Next to
continue.

TL-WN821N 300Mbps Wireless N USB Adapter
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Figure 2-7
8. Wait a while for the setup as shown in Figure 2-8.
Figure 2-8
9. After all the steps above, you will see the screen below, click Finish to reboot the system.

TL-WN821N 300Mbps Wireless N USB Adapter
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Figure 2-9
2.2.2 For Windows Vista
1. Insert the Resource CD into your CD-ROM drive, and the Figure 2-10 will appear. To
continue, select the TL-WN821N.There will be a menu including: Install Driver & Utility,
QSS Installation and User Guide.
Figure 2-10

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2. Click Install Driver & Utility to load the following screen.
Figure 2-11
3. Soon, Figure 2-12 will display after a moment. Click Next to continue.
Figure 2-12

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4. Click Yes to continue.
Figure 2-13
5. The following page will display and please wait a moment.
Figure 2-14
6. Click Finish to complete the installation.

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Figure 2-15
2.2.3 For Windows 7
1. Insert the Resource CD into your CD-ROM drive, and the Figure 2-16 will appear. To
continue, select the TL-WN821N.There will be a menu including: Install Driver & Utility and
User Guide.
Figure 2-16

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2. Click Install Driver & Utility to load the following screen.
Figure 2-17
3. Soon, Figure 2-18 will display after a moment. Click Next to continue.
Figure 2-18
4. Click Yes to continue.

TL-WN821N 300Mbps Wireless N USB Adapter
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Figure 2-19
5. Wait a while for the setup as shown in Figure 2-20.
Figure 2-20
6. Then you will see Figure 2-21. Click Finish to complete.