Information in this document is subject to change without notice. The statements, configurations,
technical data, and recommendations in this document are believed to be accurate and reliable, but
are presented without express or implied warranty. The seller therefore assu mes n o res po ns ib ili ty an d
shall have no liability of any kind arising from the supply or use of this document or the material
contained herein.
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In the interest of improving inte rnal design, ope rational funct ion, and/or reli ability, the seller reserves
the right to make changes to the products described in this document without notice.
The seller does not assume any liability that may occur due to the use or application of the product(s)
or circuit layout(s) described herein.
In addition, the program and information contained herein are licensed only pursuant to a license
agreement that contains restrictions on use and disclosure (that may incorporate by reference certain
limitations and notices imposed by third parties).
diittiioonnss
TTrraaddeemmaarrkkss
All other product or service names mentioned in this document may be trademarks of the companies
with which they are associated.
iii
Contents
Contents
Before Y ou Use..................................................................... ................... ................ ....vi
For brevity, throughout this manual USB Wireless LAN Card is used to indicate all the types. Also, the
following terms/abbreviations are used interchangeably:
Packing List
Before using the wireless USB 2.0 adapter, check all the following items are present and in good
condition. If any of the items is damaged or missing, contact your retailer immediately.
9 Companion CD x 1
9 Wireless USB 2.0 adapter x 1
System Requirements
To use the Wireless LAN Card, your computer must meet the following minimum requirements:
z Laptop/ PC containing:
9 32-bit CardBus slot (or Desktop PC with PC Card-PCI adapter)
9 Mini PCI
9 32 MB memory or greater
9 300 MHz processor or higher
9 Hard disk space at least 30 Mbytes
z Microsoft Windows 2000, Windows Millennium Edition, Windows 98 Second Edition,
Windows XP, or Windows NT 4.0 (with Service Pack 6)
Notes and Cautions
Note and Caution in this manual are highlighted with graphics as below to indicate important
information.
Note
Caution
This User’s Manual contains information on how to install and configure your USB Wireless LAN Card.
From now on, we will guide you through the correct configuration steps to implement your device.
Contains in formation that corresponds to a specific topic.
Represents essential steps, actions, or messages that should not be
ignored.
vi
Chapter 1: Overview
Chapter 1 Overview
This product is an IEEE 802.11b/g Wireless LAN Card with USB interface solution. This solution provides
compatibility with 802.11b and 802.11g standard devices. Now users have the flexibility to connect to
802.11b or 802.11g networks effortlessly.
It allows your computer to co nne ct to a wireless network and to sh a re resources, such as files o r pr in ters
without being bound to the network wires. Operating in 2.4GHz Direct Sequence Spread Spect rum
(DSSS) radio transmission, the Wireless LAN Card transfers data at speeds up to 54Mbps. Both Ad hoc
and Infrastructure mode are supported. For network security concern, 64/128-bits Wired Equivalent
Privacy (WEP) encryption is used. In addition, its standard compliance ensures that it can communicate
with any 802.11b/g networks. It also supports Microsoft WHQL software for Windows XP.
Wireless LAN Basics
This section contains some Wireless LAN basics to help you better understand how the products work
together to create a wireless network.
Local Area Network (LAN)
LAN is a local network that exists in a relatively limited area. Within the network, two or more computers
are connected together sharing files and peripheral devices such as printers.
The Wireless LAN Card allows you to interact with other computers without having to run cables
normally associated with networks. This lets you move your computer around while staying connected to
your network.
There are two ways to use the Wireless LAN Card. One way is to co nnect directly to one or more
Wireless LAN Card equipped computers, forming an Ad hoc wireless network. The second way is to
connect to an Access Point that gives you access to an existing wired LAN, forming an Infrastructure
wireless network.
Ad Hoc Mode
An Ad Hoc network offers peer-to-peer connections between wireless stations that are in range of each
other. The stations communicate directly with each other without using an Access Point or any
connection to a wired network. This mode is useful for quickly and easily setting up a wireless network
anywhere that a wireless infrastructure does not exist or is not required for services. In an Ad Hoc
network, all wireless stations must have the same SSID, channel and WEP keys (if enabled) to
communicate with each other.
1
Wireless USB 2.0 Adapter
Infrastructure Mode
An Infrastructure wireless network consists of at least one Access Point connected to the wired network
infrastructure and a set of wireless end stations. The AP acts as a gateway, linking the wireless network
to a wired LAN. As a result, wireless stations have access to all of the features of your wired LAN
including e-mail, Internet, network printers and files server access.
Roaming
For large environments, multiple Access Points can be implemented to extend the wireless service
coverage area for seamless wireless access. It allows wireless clients to roam from one AP to another
while maintaining the wireless connectivity at all times. A wireless client wandering across multiple APs
will automatically change the operating radio frequency as required.
In a roaming network, all APs and wireless clients must have the same Service Set Identity (SSID) and
security setting (if enabled). Alternatively the mobile station may use an SSID of “any” to associate with
any available AP, regardless of the AP’s SSID. Roaming among different Access Points is controlled
automatically to maintain the wireless connectivity at all times.
2
General Specification
Chapter 1: Overview
Host Interface
Form Factor
Chipset
Operation Voltage
Network Standard
Hardware Encryption
Quality of Service
Network Architectures
USB Wireless Module
A THEROS AR5523A + AR21 12A
IEEE 802.11b / IEEE 802.11 g
Ad hoc / Infrast r uc t u r e
USB 2.0
5.0VDC
AES, TKIP ,and WEP
802.11e draft
Modulation Technology OFDM with BPSK, QPSK, 16QAM, 64QAM
DBPSK, DQPSK, and CCK
Media Access
Technique
CSMA/CA
Supported Data Rates IEEE 802.11b: 1 – 11 Mbps
IEEE 802.11g: 1 – 54 Mbps
Atheros Super G Mode: up to 108 Mbps
Antenna Type
OS Compatibility
Client Utility
WIN 98SE, WIN ME, WIN 2000, and WIN XP
Automatic location profile, site monitor, current link status, and
Printed PCB antenna
diagnostics
3
Wireless USB 2.0 Adapter
4
Chapter 2: Software Installation
Chapter 2 Software Installation
This chapter describes how to install the USB Wireless LAN Card driver and utility. Windows 98, ME,
2000, and XP use the same setup program; however, operation system-specific situation may occur
during or after the installation process. The following describes only the overall installation procedure. In
OS-specif ic s ituations, you should follow the on-screen instruct i o ns to proceed. You can ref er to the
general guidelines provided in next section for further information.
In case you need to re-install the driver and software for any reason, we recommend that you remove
any previously installed driver and software from your system first. Refer to Chapter 6 for uninstalling the
Wireless LAN Card driver and utility, following the instructions to remove previous driver release.
Installing Wireless Adapter Driver and Utility
The software you are ready to install comprises this adapter’s driver and utility. Thus, the following
instructions will guide you through overall installation procedure. In OS-specific situations, you should
follow the on-screen instructions to proceed. For the details, please read the user’s manual.
If your computer’s operating system is Windows XP that is installed with
Note
Follow these steps below to install the wireless adapter driver and utility.
Service Pack 1 only, it is recommended to further install Windows XP Hotfix – KB822603.
1. Close all Windows programs that are running.
2. Insert the Utility CD into your CD-ROM drive and double click Setup.exe in the companion CD.
3.
After you double click Setup.exe in the companion
CD, a Preparing Setup windo w appears, and you
may go to a next step when the processing bars
end.
5
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