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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 © 2007 TP-LINK TECHNOLOGIES CO., LTD. All rights
reserved.
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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.
FCC Caution:
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.
1) The devices are restricted to operations within the 5.25 to 5.825GHz range.
2) For this device to operate in the 5.15 to 5.25GHz range, the devices must use integral
antennas.
FCC RF Radiation Exposure Statement: (TL-WN552AG/TL-WN553AG)
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This device and its antenna must not be co-located or operating in conjunction with
any other antenna or transmitter.
“To comply with FCC RF exposure compliance requirements, this grant is applicable to only
Mobile Configurations. The antennas used for this transmitter must be installed to provide a
separation distance of at least 20 cm from all persons and must not be co-located or operating in
conjunction with any other antenna or transmitter.”
FCC Radiation Exposure Statement: (TL-WN512AG)
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This device has been tested for compliance with FCC RF Exposure limits in the typical laptop
computer configuration and this device can be used in desktop or laptop computers with side
mounted PCMCIA slots. 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.
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
2400.0-2483.5 MHz
Country Restriction Reason/remark
Bulgaria
France
General authorization required for outdoor use and
public service
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
Luxembourg None
Norway Implemented
Russian Federation
If used outside of own premises, general authorization is
required
General authorization required for network and service
supply(not for spectrum)
This subsection does not apply for the geographical area
within a radius of 20 km from the centre of Ny-Ålesund
Only for indoor applications
5150-5250 MHz
Country Restriction Reason/remark
Bulgaria Not implemented Planned
Croatia License required
Italy
Luxembourg None
Russian Federation
General authorization required if used outside own
No info
premises
General authorization required for network and service
supply (not for spectrum)
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5250-5350 MHz
Country Restriction Reason/remark
Bulgaria Not implemented Planned
Croatia License required
Italy
Luxembourg None
General authorization required if used outside own
premises
General authorization required for network and service
supply (not for spectrum)
Russian Federation
No info
5470-5725 MHz
Country Restriction Reason/remark
Bulgaria Not implemented Planned
Relevant+ provisions for the implementation of DFS
France
Italy
Luxembourg None
Russian
Federation
Turkey Not implemented Defence systems
General authorization required if used outside own
No info
mechanism described in ETSI standard EN 301 893
V1.3.1 and subsequent versions
premises
General authorization required for network and service
supply (not for spectrum)
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Package Contents ....................................................................................................1
Chapter 1. Introduction.........................................................................................2
1.1 Overview of the product..............................................................................................2
1.2 Features .....................................................................................................................2
1.2.1 TL-WN512AG LED Indications............................................................................................. 2
1.2.2 TL-WN552AG/TL-WN553AG LED Indications.....................................................................3
Chapter 2. Installation Guide................................................................................4
2.1 Hardware Installation..................................................................................................4
2.1.1 TL-WN552AG/TL-WN553AG Hardware Installation............................................................ 4
2.1.2 TL-WN512AG Hardware Installation.................................................................................... 4
2.2 Software Installation...................................................................................................4
2.2.1 Overview............................................................................................................................... 4
2.2.2 Software Installation for Windows 2000............................................................................... 4
Chapter 3. Configuration......................................................................................9
3.1 Current Status ..........................................................................................................10
3.2 Profile Management .................................................................................................11
3.2.1 Add or Modify a Configuration Profile................................................................................. 11
3.2.2 Remove a profile ................................................................................................................ 14
3.2.3 Switch another Profile......................................................................................................... 14
3.2.4 Import a Profile................................................................................................................... 14
3.2.5 Export a Profile................................................................................................................... 15
3.2.6 Scan Available Networks.................................................................................................... 15
3.2.7 Auto Profile Selection Management................................................................................... 16
3.3 Diagnostics...............................................................................................................17
3.3.1 Check Driver Information.................................................................................................... 17
3.3.2 Check Receive and Transmit Statistical Information..........................................................18
Appendix A: Specifications...................................................................................19
Appendix B: Glossary............................................................................................20
Appendix C: Contact Information .........................................................................21
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TL-WN512AG/TL-WN552AG/TL-WN553AG
54M Wireless Adapter User Guide
Package Contents
The following contents should be found in your box:
¾ One TL-WN512AG/TL-WN552AG/TL-WN553AG Wireless Adapter
¾ Quick Installation Guide
¾ One Resource CD for TL-WN512AG/TL-WN552AG/TL-WN553AG, including:
• TP-LINK Wireless Client Utility (TWCU) and Drivers
• User Guide
• Other Helpful Information
Note:
)
If any of the listed contents are damaged or missing, please contact the retailer from whom you
purchased the TL-WN512AG/TL-WN552AG/TL-WN553AG Wireless Adapter for assistance.
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Chapter 1. Introduction
1.1 Overview of the product
The TP-LINK 54M Wireless Adapter TL-WN512AG/TL-WN552AG/TL-WN553AG can provide
high performance of wireless connectivity, without the restrictions of phone lines or Ethernet
cables. With the IEEE 802.11a, 802.11b and 802.11g standards, the
TL-WN512AG/TL-WN552AG/TL-WN553AG can connect with existing 802.11b, 802.11g- or
802.11a- compliant routers, access points and cards. That means you can still communicate with
colleagues and friends while you have the ability to link to even more wireless networks.
The adapter's auto-sensing capability allows high packet transfer rate of up to 54Mbps for
maximum throughput, or dynamic range shifting to lower speeds due to distance or operating
limitations in an environment with a lot of electromagnetic interference. Your wireless
communications are protected by up to 152-bit WEP and WPA encryption for high security.
It adopts 2x to 3x eXtended Range
TM
WLAN transmission technology so that transmission
distance is 2-3 times of traditional wireless adapter, up to a distance of 830m tested in China.
Transmission range is extended to 4-9 times.
1.2 Features
¾ Complies with IEEE802.11a, IEEE802.11g and IEEE802.11b standards
¾ Adopts 2x to 3x eXtended Range
¾ Supports WPA/WPA2 data security, IEEE802.1x authentication, TKIP/AES encryption,
64/128/152-bit WEP encryption
¾ Supports 54/48/36/24/18/12/9/6Mbps or 11/5.5/3/2/1Mbps wireless LAN data transfer rates
¾ Provides 32-bit PCI interface (TL-WN552AG/ TL-WN553AG) or 32-bit CardBus interface
(TL-WN512AG)
¾ Supports Ad-Hoc and Infrastructure modes
¾ Supports roaming between access points when configured in Infrastructure mode
¾ Ease to configure and provides monitoring information
¾ Supports Windows 98SE/Me/2000/XP
¾ Internal Antenna (TL-WN512AG)
¾ Detachable reverse SMA connector antenna (TL-WN553AG)
LED Status
TM
wireless LAN transmission technology
1.2.1 TL-WN512AG LED Indications
LED Indications
Status
Working Status
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Status Green Intermittently
Activity Green Not lit
54M Wireless Adapter User Guide
The adapter is in an electricity saving status.
Status Green Lit
Activity Green Not lit
Flashing
Status Green
Alternately
Flashing
Activity Green
Alternately
Status Green Intermittently
Activity Green Intermittently
Status Green Flashing
Activity Green Flashing
The adapter is on wake up status.
The adapter is trying to scan a networking
connection.
The adapter is already connected but is not
transmitting or receiving data.
The adapter is transmitting or receiving data.
1.2.2 TL-WN552AG/TL-WN553AG LED Indications
LED Indications
Status Green Intermittently
Status Green Lit The adapter is on wake up status.
Status
Working Status
The adapter is in an electricity saving status or
the adapter is already connected but is not
transmitting or receiving data.
Status Green Flashing The adapter is transmitting and receiving data.
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Chapter 2. Installation Guide
2.1 Hardware Installation
2.1.1 TL-WN552AG/TL-WN553AG Hardware Installation
To install the adapter, follow these steps listed below:
1. Turn off your desktop PC and disconnect the power.
2. Open your PC case and locate an available PCI slot on the motherboard. Remove the metal
slot cover on the back of the PC. Check with your computer manufacturer for instructions if
needed.
3. Slide the PCI Adapter into the PCI slot. Make sure that all of its pins are touching the slot's
contacts. Once the adapter is firmly in place, secure its fastening tab to your PC's chassis
with a mounting screw. Then, close your PC case.
4. Reconnect your PC’s power and turn on your desktop PC.
2.1.2 TL-WN512AG Hardware Installation
To install the adapter, follow these steps listed below:
1. Locate an available CardBus slot on your laptop.
2. With the connector pin end facing the CardBus slot and the label facing up, slide the Adapter
into the CardBus slot until it locks in place.
3. The Status LED should Intermittent flashing when the Adapter is installed correctly.
2.2 Software Installation
2.2.1 Overview
The Adapter’s Setup Wizard will guide you through the Installation procedure for Windows 98SE,
Me, 2000, XP. The Setup Wizard will install the TP-LINK Wireless Client Utility (TWCU) and
drivers.
When you install the hardware before installing the software, the system will prompt “Found New
Hardware Wizard”, click Cancel, and run the Setup Wizard program on the CD-ROM.
The Setup steps for Windows 98SE, Me, 2000 and XP are very similar. The following setup steps
are for Windows 2000.
2.2.2 Software Installation for Windows 2000
1. Insert the Resource CD into your CD-ROM drive, click Start and choose Run. In the field that
appears, enter F:\XXX\Setup.exe (if “F” is the letter of your CD-ROM drive; XXX is the setup
program path, which is labeled on the Resource CD), Figure 2-1 should then appear.
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2. You can click Cancel to end the installation on the Preparing Setup screen of Figure 2-1.
Otherwise, the Setup Wizard will display a screen similar to that shown in Figure 2-2 after a
moment.
54M Wireless Adapter User Guide
Figure 2-1 TP-LINK Wireless Client Utility – Install Shield Wizard
3. To continue, click Next on the screen, Figure 2-2. Click Cancel to end the Installation.
Figure 2-2 TP-LINK Wireless Client Utility Installation Program
4. The Setup Wizard will ask you to choose a Setup type in Figure 2-3. It is recommended that
you select Install Client Utilities and Driver. Select Install Driver Only to install driver only,
select Make Driver Installation Diskette(s) to make the diskette(s) as the installation driver.
Select Install Client Utilities and Driver and click Next to continue the Installation. Click
Back to return to the previous page, or click Cancel to end the Installation.
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Figure 2-3 Select the Setup type.
54M Wireless Adapter User Guide
5. Figure 2-4 should appear. Click Yes to continue the Installation, or click No to end the
Installation.
Figure 2-4 Question
6. Click Browse to change the destination location for the software in Figure 2-5. Click Next to
continue the Installation. Click Back to return to the previous page, or click Cancel to end the
Installation.
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Figure 2-5 Choose Destination Location
7. The Setup Wizard will ask you to create a new folder name or select one from the Existing
Folders list shown in Figure 2-6. It is recommended that you keep the default value. Click
Next to continue the Installation. Click Back to return to the previous page, or click Cancel to
end the Installation.
54M Wireless Adapter User Guide
Figure 2-6 Select a Program Folder
8. The Setup Wizard will notify you of how to proceed with the installation, shown in Figure 2-7.
Click OK to continue the Installation.
Figure 2-7 Information Prompt
9. While files are copying, you will see a warning box, shown in Figure 2-8. Please select YES
to continue installation. Our drivers have been tested thoroughly, and are able to work with
the operating system.
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Figure 2-8 Widows 2000 Warning Box
10. After the files have been successfully copied, the screen in Figure 2-9 will appear. Click OK
to reboot the system.
54M Wireless Adapter User Guide
Figure 2-9 Finish
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Chapter 3. Configuration
TP-LINK Wireless Adapter TL-WN512AG/TL-WN552AG/TL-WN553AG can be configured by
TP-LINK Wireless Client Utility (TWCU). This chapter describes how to configure your TP-LINK
Wireless Adapter for wireless connectivity on your Wireless Local Area Network (WLAN) and use
the data security encryption features.
After Installing the Adapter, for the first time a region selector box appears, as shown in Figure
3-1.Select your region and click OK.
Figure 3-1 Region Selector
) Note: You can also change your region with TP-LINK Wireless Client Utility in options.
The Adapter’s tray icon
screen, and shows the signal strength using color and the received signal strength indication
(RSSI).
If the icon is gray, there is no connection.
If the icon is red, there is poor signal strength and the RSSI is less than 5dB.
If the icon is yellow, there is poor signal strength and the RSSI is between 5dB and 10dB.
If the icon is green, there is good signal strength and the RSSI is between 10dB and 20dB.
If the icon is green, there is excellent signal strength and the RSSI is more than 20dB.
will appear in your system tray. It appears at the bottom of the
Double-click the icon and the TWCU utility will run. You can also run the utility by clicking the
Start>Program>TP-LINK>TWCU 4.1.2.94>TP-LINK Wireless Client Utility. The TWCU utility
provides a complete and easy to use set of tools to:
¾ Display current status information
¾ Edit and add configuration profiles
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¾ Display current diagnostics information
The section below introduces these above capabilities.
3.1 Current Status
The Current Status tab contains general information about the program and its operations. The
Current Status tab does not require any configurations.
Figure 3-2 Current Status
The following table describes the items found on the Current Status screen.
¾ Profile Name - The name of current selected configuration profile. Set up the configuration
name on the General tab of Profile Management.
¾ Link Status - Shows whether the station is associated to the wireless network.
¾ Wireless Mode - Displays the wireless mode. Configure the wireless mode on the
Advanced tab of Profile Management.
¾ Network Type - The type of network and the station currently connected. The options
include:
• Infrastructure (access point)
• Ad Hoc
Configure the network type on the Advanced tab of Profile Management.
¾ IP Address - Displays the computer’s IP address.
¾ Current Channel - Shows the currently connected channel.
¾ Data Encryption - Displays the encryption type the driver is using. Configure the encryption
type on the Security tab of Profile Management.
¾ Server Based Authentication - Shows whether server based authentication is used.
¾ Signal Strength - Shows the strength of the signal.
Note:
)
In the TWCU utility, access the General tab, Security tab and Advanced tab by clicking New or
Modify on the Profile Management tab.
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Click Advanced to see advanced information about the program and its operations. For more
information, please refer to the help file of the utility.
Figure 3-3 Advance Status
3.2 Profile Management
Click the Profile Management tab of the TWCU Utility and the Profile Management screen will
appear, Figure 3-4. The Profile Management screen provides tools to:
¾ Add a profile
¾ Edit a profile
¾ Remove a profile
¾ Switch to another Profile
¾ Import a Profile
¾ Export a Profile
¾ Scan Available Networks
¾ Order profiles
Figure 3-4 Profile Management tab
3.2.1 Add or Modify a Configuration Profile
To add a new configuration profile, click New on the Profile Management tab. To modify a
configuration profile, select the configuration from the Profile list and click Modify.
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The Profile Management dialog box will display a screen similar to that shown in Figure 3-5.
1. Edit the General tab
¾ Profile Name - Identifies the configuration profile. This name must be unique. Profile names
are not case-sensitive.
¾ Client Name - Identifies the client machine.
¾ Network Names (SSIDs) - The IEEE 802.11 wireless network name. This field has a
maximum limit of 32 characters.
Figure 3-5 General Tab of Profile Management
2. Edit the Security tab
Edit the fields in the Security tab of Profile Management to configure the profile. To define the
security mode, select the radio button of the desired security mode.
Figure 3-6 Security tab of Profile Management
¾ WPA/WPA2: Wi-Fi Protected Access
¾ WPA/WPA2 Passphrase: Wi-Fi Protected Access Passphrase
¾ 802.1x: Enables 802.1x security.
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¾ Shared Key (Static WEP): Enables the use of shared keys that are defined on both the
access point and the station. To define shared encryption keys, choose the Shared Key radio
button and click Configure to fill in the Define Shared Keys window.
¾ None: No security (not recommended).
Figure 3-7 Define Shared Keys
54M Wireless Adapter User Guide
Note:
)
If the access point that the wireless adapter is associating to has WEP set to Optional and the
client has WEP enabled, make sure that Allow Association to Mixed Cells is checked on the
Security Tab to allow association. To complete WEP encryption configuration, you must select the
802.11 Authentication Mode as appropriate on the Advanced tab of this Profile Management
dialog.
3. Edit the Advanced tab
¾ Power Save Mode -
• Maximum for the wireless adapter. The adapter will detect the access point if any messages are
waiting periodically.
• Normal - In Normal mode, the adapter will be switched to maximum mode automatically
when no large packets are retrieved.
• Off - turns power saving off, thus powering up the wireless adapter continuously for a
short message response time.
¾ Network Type: Select Infrastructure or Ad Hoc.
¾ 802.11b Preamble: Specifies the preamble setting in 802.11b. The default setting is Short &
Long (access point mode), which allows both short and long headers in the 802.11b
frames. The adapter can only use short radio headers if the access point supports and uses
them. Set to Long Only to override allowing short frames.
¾ Wireless Mode: Specifies 5 GHz 54 Mbps or 2.4 GHz 54 Mbps or 2.4 GHz 11 Mbps
operation in an access point network. The wireless adapter must match the wireless mode of
the access point with which it associates.
¾ Wireless Mode when Starting an Ad Hoc Network: Specifies 5G/2.4 GHz 54/11 Mbps to
start an Ad Hoc network if no matching network name is found after scanning all available
Selects maximum mode to let the access point buffer incoming messages
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modes. This mode also allows the selection of the channel the wireless adapter uses. The
channels available depend on the regulatory domain. If the adapter finds no other ad hoc
adapters, the channel that the adapter starts the ad hoc network with will be selected
automatically.
¾ 802.11 Authentication Mode: Select which mode the wireless adapter uses to authenticate
to an access point:
• Automatic causes the adapter to attempt authentication using shared, but switches it to open
authentication if shared fails.
• Open System enables an adapter to attempt authentication regardless of its WEP settings. It will only
associate with the access point if the W EP keys on both the adapter and the access point match.
• Shared-key only allows the adapter to associate with access points that have the same WEP key.
For infrastructure (access point) networks, click Preferred APs to specify up to four access points
to the client adapter that attempts to be associated to the access points.
Figure 3-8 Advanced tab of Profile Management
3.2.2 Remove a profile
1. Go to the Profile Management tab.
2. Select the profile name to remove in the Profiles List.
3. Click Remove.
3.2.3 Switch another Profile
1. Go to the Profile Management tab.
2. Click on the profile name in the Profiles List.
3. Click Activate.
3.2.4 Import a Profile
1. From the Profile Management tab, click Import…. The Import Profile will then appear.
2. Browse to the directory where the profile is located.
3. Highlight the profile name.
4. Click Open, the imported profile will then appear in the Profiles List.
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Figure 3-9 Import Profile Dialog
54M Wireless Adapter User Guide
3.2.5 Export a Profile
1. From the Profile Management tab, highlight the profile to export.
2. Click Export, the Export Profile window will then appear.
3. Browse the directory to export the profile to.
4. Click Save. The profile should then be exported to the specified location.
Figure 3-10 Export Profile Dialog
3.2.6 Scan Available Networks
1. Click Scan on the Profile Management, the Available Infrastructure and Ad Hoc Networks
window will appear.
2. Click Refresh to refresh the list at any time.
3. Highlight a network name and click Activate to connect an available network. If no
configuration profile exists for that network, the Profile Management window will open the
General tab. Fill in the Profile name and click OK to create the configuration profile for that
network.
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Figure 3-11 Scan Available Networks Dialog
54M Wireless Adapter User Guide
3.2.7 Auto Profile Selection Management
The auto selection feature allows the wireless adapter to automatically select a profile from the list
of profiles and use it to connect to the network. To add a new profile into the Auto Selected
Profiles list, please follow these steps.
1. On the Profile Management tab, click Order Profiles.
2. The Auto Profiles Selection management window will appear, with a list of all created profiles
in the Available Profiles box.
3. Highlight the profiles to add to auto profile selection, and click Add. The profile will appear in
the Auto Selected Profiles box.
4. Highlight a profile in the Auto Selected Profiles box.
5. Click Move Up or Move Down as appropriate. Note: The first profile in the Auto Selected
Profiles box has highest priority, and the last profile has lowest priority.
6. Click OK.
7. Check the Auto Select Profiles checkbox on the Profile Management tab.
Note:
)
When auto profile selection is enabled by checking Auto Select Profiles on the Profile
Management tab, the client adapter will scan for an available network. The profile with the
highest priority and the same SSID as one of the found networks will be used to connect to the
network. If the connection fails, the client adapter will try the next highest priority profile that
matches the SSID until an available network is found.
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Figure 3-12 Auto Profile Selection Management Dialog
3.3 Diagnostics
The Diagnostics tab of the TP-LINK Wireless Client Utility (TWCU) provides buttons used to
retrieve receiving and transmitting statistics. The Diagnostics tab does not require any
configuration.
The Diagnostics tab lists the following receive and transmit diagnostics for frames received or
transmitted by the wireless network adapter:
¾ Multicast frames transmitted and received
¾ Broadcast frames transmitted and received
¾ Unicast frames transmitted and received
¾ Total bytes transmitted and received
Figure 3-13 Diagnostics tab
3.3.1 Check Driver Information
¾ The Adapter Information contains general information about the wireless network adapter
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and the Network Driver Interface Specification (NDIS) driver. Access the adapter
information from the Diagnostics tab.
54M Wireless Adapter User Guide
3.3.2 Check Receive and Transmit Statistical Information
The Advanced Statistics show receiving and transmitting statistical information for the following
receive and transmit diagnostics for frames received by or transmitted to the wireless network
adapter.
Figure 3-14 Advanced Statistics
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Appendix A: Specifications
Normal
Interface TL-WN512AG: 32-bit CardBus
TL-WN552AG/TL-WN553AG: 32-bit PCI
Standards IEEE802.11a; IEEE802.11b; IEEE802.11g
Operating System Windows 98SE, Me, 2000, XP
Transmission Distance Indoor up to 100m, outdoor up to 300m (Standard transmission
distance, it is limited to the environment).
Indoor up to 200m, outdoor up to 830m (Adopt 2x to 3x
eXtended Range
to the environment)
Radio Data Rate 54/48/36/24/18/12/9/6Mbps or 11/5.5/3/2/1Mbps
(Auto Rate Sensing)
Modulation 1M DBPSK; 2M DQPSK; 5.5M, 11M CCK; 6M, 9M, 12M, 18M,
TM
WLAN transmission technology, it is limited
24M, 36M, 48M, 54M OFDM;
Media Access Protocol CSMA/CA with ACK
Transmit Power 15dBm (Typical)
Data Security WPA/WPA2; 64/128/152-bit WEP; TKIP/AES
Frequency 2.4 ~ 2.4835GHz
5.150 ~ 5.850GHz
Spread Spectrum Direct Sequence Spread Spectrum (DSSS)
Power Consumption Typically 685mA in full Transmit (TX), 515mA in full Receive
(RX)
Safety & Emissions FCC, CE
Environmental and Physical
Operating Temp. 0℃~40℃ (32 ~104℉℉)
Storage Temp. -40℃– 70℃ (-40 ~158℉℉)
Humidity 10% - 95% RH, Non-condensing
Dimensions
(W×D×H)
4.5×2.1×.2 in. (115×54×5 mm) (TL-WN512AG)
5.2×4.8×.9 in. (133×121×22 mm) (TL-WN552AG/TL-WN553AG)
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Appendix B: Glossary
54M Wireless Adapter User Guide
¾ 2x to 3x eXtended Range
to 3x eXtended Range
TM
WLAN Transmission Technology - The WLAN device with 2x
TM
WLAN transmission technology make its sensitivity up to 105 dBm,
which gives users the ability to have robust, longer-range wireless connections. With this
TM
range-enhancing technology, a 2x to 3x eXtended Range
based client and access point
can maintain a connection at as much as three times the transmission distance of traditional
802.11b and 802.11g products, for a coverage area that is up to nine times greater. A
traditional 802.11b and 802.11g product transmission distance is about 300m, A TP-LINK 2x
TM
to 3x eXtended Range
based client and access point can maintain a connection
transmission distance may be up to 830m.
¾ 802.11b - The 802.11b standard specifies a wireless product networking at 11 Mbps using
direct-sequence spread-spectrum (DSSS) technology and operating in the unlicensed radio
spectrum at 2.4GHz, and WEP encryption for security. 802.11b networks are also referred to
as Wi-Fi networks.
¾ 802.11g - specification for wireless networking at 54 Mbps using direct-sequence
spread-spectrum (DSSS) technology, using OFDM modulation and operating in the
unlicensed radio spectrum at 2.4GHz, and backward compatibility with IEEE 802.11b devices,
and WEP encryption for security.
¾ 802.11a - specification for wireless networking at 54 Mbps using OFDM modulation and
operating in radio band at 5GHz.
¾ Ad-hoc Network - An ad-hoc network is a group of computers, each with a wireless adapter,
connected as an independent 802.11 wireless LAN. Ad-hoc wireless computers operate on a
peer-to-peer basis, communicating directly with each other without the use of an access point.
Ad-hoc mode is also referred to as an Independent Basic Service Set (IBSS) or as
peer-to-peer mode, and is useful at a departmental scale or SOHO operation.
¾ DSSS (Direct-Sequence Spread Spectrum) - DSSS generates a redundant bit pattern for all
data transmitted. This bit pattern is called a chip (or chipping code). Even if one or more bits
in the chip are damaged during transmission, statistical techniques embedded in the receiver
can recover the original data without the need for retransmission. To an unintended receiver,
DSSS appears as low power wideband noise and is rejected (ignored) by most narrowband
receivers. However, to an intended receiver (i.e. another wireless LAN endpoint), the DSSS
signal is recognized as the only valid signal, and interference is inherently rejected (ignored).
¾ FHSS (Frequency Hopping Spread Spectrum) - FHSS continuously changes (hops) the
carrier frequency of a conventional carrier several times per second according to a
pseudo-random set of channels. Because a fixed frequency is not used, and only the
transmitter and receiver know the hop patterns, interception of FHSS is extremely difficult.
¾ Infrastructure Network - An infrastructure network is a group of computers or other devices,
each with a wireless adapter, connected as an 802.11 wireless LAN. In infrastructure mode,
the wireless devices communicate with each other and to a wired network by first going
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TL-WN512AG/TL-WN552AG/TL-WN553AG
54M Wireless Adapter User Guide
through an access point. An infrastructure wireless network connected to a wired network is
referred to as a Basic Service Set (BSS). A set of two or more BSS in a single network is
referred to as an Extended Service Set (ESS). Infrastructure mode is useful at a corporation
scale, or when it is necessary to connect the wired and wireless networks.
¾ Spread Spectrum - Spread Spectrum technology is a wideband radio frequency technique
developed by the military for use in reliable, secure, mission-critical communications systems.
It is designed to trade off bandwidth efficiency for reliability, integrity, and security. In other
words, more bandwidth is consumed than in the case of narrowband transmission, but the
trade off produces a signal that is, in effect, louder and thus easier to detect, provided that the
receiver knows the parameters of the spread-spectrum signal being broadcast. If a receiver is
not tuned to the right frequency, a spread-spectrum signal looks like background noise.
There are two main alternatives, Direct Sequence Spread Spectrum (DSSS) and Frequency
Hopping Spread Spectrum (FHSS).
¾ SSID - A Service Set Identification is a thirty-two character (maximum) alphanumeric key
identifying a wireless local area network. For the wireless devices in a network to
communicate with each other, all devices must be configured with the same SSID. This is
typically the configuration parameter for a wireless PC card. It corresponds to the ESSID in
the wireless Access Point and to the wireless network name. See also Wireless Network
Name and ESSID.
¾ WEP (Wired Equivalent Privacy) - A data privacy mechanism based on a 64-bit or 128-bit or
152-bit shared key algorithm, as described in the IEEE 802.11 standard.
¾ Wi-Fi - A trade name for the 802.11b wireless networking standard, given by the Wireless
Ethernet Compatibility Alliance (WECA, see http://www.wi-fi.net), an industry standards
group promoting interoperability among 802.11b devices.
¾ WLAN (Wireless Local Area Network) - A group of computers and associated devices
communicate with each other wirelessly, which network serving users are limited in a local
area.
¾ WPA (Wi-Fi Protected Access) - A wireless security protocol use TKIP (Temporal Key
Integrity Protocol) encryption, which can be used in conjunction with a RADIUS server.
Appendix C: Contact Information
For help with the Installation or operation of the TP-LINK TL-WN512AG/TL-WN552AG/
TL-WN553AG 54M Wireless Adapter, please contact us.
Website: http://www.tp-link.com
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