Alfa Network AWUS036H User manual

User’s Guide
IEEE 802.11g Wireless USB Adapter

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FCC Certifications
Federal Communication Commission Interference 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 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, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
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.
IMPORTANT NOTE:
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 20cm between the radiator & your body.
This transmitter must not be co-located or operating in conjunction with any other
antenna or transmitter.
IEEE 802.11b or 802.11g operation of this product in the U.S.A. is firmware-limited to
channels 1 through 11.

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CE Mark Warning
This equipment complies with the requirements relating to electromagnetic
compatibility, EN 55022 Class B for ITE, the essential protection requirement of
Council Directive 89/336/EEC on the approximation of the laws of the Member States
relating to electromagnetic compatibility.
Company has an on-going policy of upgrading its products and it may be possible that
information in this document is not up-to-date. Please check with your local
distributors for the latest information. No part of this document can be copied or
reproduced in any form without written consent from the company.
Trademarks:
All trade names and trademarks are the properties of their respective companies.
Copyright © 2006, All Rights Reserved.

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TABLE OF CONTENTS
OVERVIEW.................................................... 4
UNPACKING INFORMATION ....................................................... 4
INTRODUCTION TO THE IEEE 802.11G WIRELESS USB ADAPTER .... 5
Key Features .....................................................................................5
INSTALLATION GUIDE .................................. 6
SOFTWARE INSTALLATION ........................................................ 6
MANAGEMENT GUIDE ................................. 12
MAKING A BASIC NETWORK CONNECTION .................................. 12
Before You Start ..............................................................................12
Ad-Hoc Mode ................................................................................. 12
Infrastructure mode ....................................................................... 14
INTRODUCTION TO THE WIRELESS LAN UTILITY ......................... 16
Starting the Wireless LAN Utility .....................................................16
General............................................................................................17
Profile..............................................................................................18
Available Network ...........................................................................19
Advanced.........................................................................................20
Status..............................................................................................21
Statistics .........................................................................................22
APPENDIX .................................................. 23
RT-SET SETUP WIZARD......................................................... 23
Connect to a wireless network in infrastructure mode ....................23
Connect to a wireless network in ad hoc mode................................26
Use this adapter as an AP ................................................................29
AP MODE MANAGEMENT GUIDE ................................................ 32
General............................................................................................32
Advanced.........................................................................................33
Statistics .........................................................................................33
SoftAP .............................................................................................34
PRODUCT SPECIFICATION.......................... 35

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Overview
Thank you for purchasing this product. Read this chapter to know
about your IEEE 802.11g Wireless USB Adapter.
Unpacking information
Before getting started, please verify that your package includes the following items:
1. IEEE 802.11g Wireless USB Adapter
2. One quick installation guide
3. One Utility/ Manual CD

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Introduction to the IEEE 802.11g Wireless USB Adapter
The IEEE 802.11g Wireless USB adapter provides users to launch IEEE 802.11g
wireless network at 54 Mbps in the 2.4GHz frequency, which is also compatible with
IEEE 802.11b wireless devices at 11Mbps. You can configure this adapter with
ad-hoc mode to connect to other 2.4GHz wireless computers or with Infrastructure
mode to connect to a wireless AP or router for accessing to Internet. This adapter
includes a convenient Utility for scanning available networks and saving preferred
networks that users usually connected with. Security encryption can also be
configured by this utility.
Key Features
 Complies with IEEE 802.11b/g wireless
standard
 Support driver for Windows 98se, Me,
2000 and XP.
 Complies with Universal Serial Bus Rev.
1.0, 1.1 and 2.0 specifications.
 Supports auto-installation and diagnostic
utilities.
 High Speed transfer data rate up to 54
Mbps
 Support wireless data encryption with
64/128-bit WEP, WPA (TKIP with IEEE
802.1x) and AES functions.


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Installation Guide
Software Installation
Note: The following driver installation guide uses Windows XP as the presumed
operation system. The procedures and screens in Windows 98se, 2000 are familiar
with Windows XP.
Insert the CD-Rom that came with this product to your CD-Rom drive. The menu
window pops up automatically. Please click the “Driver” button of this product.
Note: If the CD-Rom fails to auto-run, please click on “My Computer”your
CD-Rom Drive then double-click the “Setup” icon to start the this menu.

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1. The language-selecting window pops up. Please select the language you use
and click OK.
2. The welcome window pops up. Click the “Next” button to proceed.
3. Please wait while installation.
4. This Windows Logo testing warning window may pop up upon installation.
Please click the “Contiune Anyway” to continue.

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5. If you are using Windows 98se or ME, the system may ask for the driver CD.
Please click the Browse button. Select your CD-ROM Drive then select USB 
Driver Win98 (or WINME) to browse the driver. If not, please skip this step.
6. Click the “Finish” button to complete driver and utility installation.
7. For Windows XP and 2000 users, please insert this USB wireless adapter to your

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computer. If you are using Windows 98se or ME, please restart the system first
before connect this wireless adapter to your computer.
8. The “Found New Hardware Wizard“ pops up. (Note: This wizard won’t pop
up in Windows 98 and ME. The system finds the new hardware and installs the
hardware automatically. Please skip the following steps)
9. Select “No, not this time” and click the “Next” button.
10. Select “Install the software automatically” and then click the “Next”
button.

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11. Please wait while installing the driver. The Windows logo testing warning
window may pops up again. Please click the “Continue Anyway” button to
continue.

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12. Click the “Finish” button to complete installation.

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Management Guide
Read this chapter to understand the management interface of the
device and how to manage the device.
Making a Basic Network Connection
Before You Start
In the following instruction for making a network connection, we use the utility we
provided to configure your wireless network settings.
Note: For Windows XP users that want to configure your wireless network using this
Utility, please perform the following procedures to disable your native Windows XP
wireless support (Wireless Zero Configuration Service)
1. Double click the icon on your desktop to start the utility.
2. Make sure that the “Windows Zero Config” checkbox is unchecked.
Ad-Hoc Mode
An Ad-Hoc mode wireless network connects two computers directly without the use
of a router or AP. It is also know as a peer-to-peer network. For example, we can
install this wireless adapter to two computers respectively. The communication
between the two computers is an Ad-Hoc mode network.

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To use this adapter in Ad-Hoc Mode
1. Double click the icon on your desktop.
2. Click the “Available Network” button to scan available wireless network
adapters. Double click on the network adapter that you are going to connect to.
3. Click the OK button to confirm that you are connecting to an open wireless
network.
4. Click OK to add this network into the profile list.
Note: This example is an open wireless network. If you are going to connect to a
Wireless adapter with security protection, you will have to configure the encryption
settings in this profile to be corresponding to the other wireless adapter. Please click
on the “Network Authentication” drop list to select an authentication method,
and then select a “Data encryption” type. Fill in each required blanks and click
“OK”.

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Infrastructure mode
An Infrastructure Mode network contains at least one wireless client and one
wireless AP or router. This client connects to Internet or intranet by communicating
with this wireless AP.

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To use this adapter in Infrastructure Mode:
1. Double click the icon on your desktop.
2. Click the “Available Network” button to scan available access points. Double
click on the AP that you are going to connect to.
3. Click the OK button to confirm that you are connecting to an open wireless
network.
4. Click OK to add this network into the profile list.

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Note:
This example is an open wireless network. If you are going to connect to an AP with
security protection, you will have to configure the encryption settings in this profile
to be corresponding to your AP. Please click on the “Network Authentication”
drop list to select an authentication method, and then select a “Data encryption”
type. Fill in each required blanks and click “OK”.
Tip: Windows XP and Windows 2000 users is also allowed to connect to your
wireless network with the “RT-Set” setup wizard. Please refer to “Appendix” for
more information.
Introduction to the Wireless LAN Utility
Note: This management instruction uses Windows XP as the presumed operation
system. Some functions are not supported in Windows 98se or Windows ME.
Starting the Wireless LAN Utility
Double click the shortcut on your desktop. The Wireless LAN Utility pops up.
You may click on the tabs above to configure this adapter. The checkboxes below
provide the following functions:
Show Tray Icon
Check this checkbox to show the utility icon on your
system tray, which is in the notification area at the
lower-right corner of the windows desktop. You may
also uncheck it to remove the utility icon from system
tray.
Windows Zero Config
Uncheck this checkbox to use native Windows XP
wireless support (Wireless Zero Configuration Service)
instead of using this utility to configure your wireless
network.
Radio Off
Check this checkbox to prevent this adapter form
transmitting or receiving signals. Uncheck it to
communicate.
Disable Adapter
Check this checkbox to disable this wireless adapter.
Uncheck it to enable this adapter again.

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General
After starting the utility, the general page pops up This General tab provides the
information of your current wireless network connection. You may click the Renew
button to refresh those listed information.
Status: Check if the device associated to target network.
Speed: The current connection speed
Type: Infrastructure mode or Ad-Hoc mode.
Encryption: The performing encryption mode for connecting to current
network profile.
SSID: The SSID (network name) of the connected wireless network.
Signal Strength: Indicates the signal strength detected by this adapter.
Network Address: Shows the current IP addresses settings for this adapter.

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Profile
The Profile tab lists the preferred connections. You can click the buttons beside to
do configure each connection.
Add Click this button to add a connection profile for this adapter.
Remove To remove a connection profile, click this profile on the profile
list and click this button to delete it.
Edit
To modify the configurations for a profile, click this profile on
the profile list and click this button to edit.
Duplicate
To make a copy of a profile, click the profile that going to be
copied, and click this button to copy it.
Set Default To select a profile as your default wireless connection, click this
profile on the list and click this button. You may also double click
on each profile to select it as your default wireless connection.

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Available Network
This available tab lists the reachable wireless network of this adapter.
Refresh Click this button to rescan available networks around the
adapter.
Add to Profile To add an available Network to your profile list, select an
available network and click this button to add.