User’s Manual
11n Wireless LAN USB Adapter
Model No.: SP907NL
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4.6 Statistics ...................................................................................................... 40
4.7 About........................................................................................................... 41
Chapter 5 Troubleshooting ....................................................................... 43
Chapter 6 Glossary .................................................................................... 44
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Chapter 1 Introduction
Micronet SP907NL, 11N Wireless LAN USB Adapter, delivers next generation high
speed at a more economical and affordable price tag. It is easily implemented for
medium-sized business to allow immediate access to high speed wireless
experience. It is compliant with IEEE 802.11n and backward compatible with IEEE
802.11b/g. The USB adapter supports MIMO (Multi-In, Multi-Out) technology,
which uses 1T1R (1 transceiver, 1 receiver) to enhance data rate and wireless
coverage. It is the part of the complete package of the new 11n high speed
wireless solution. Ideal installation is for both desktop computer and notebook with
USB 2.0/1.1 port.
1.1 Package Contents
Prior to the installation of the device, please verify the following items are in the
package:
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y
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SP907NL 11n WLAN USB Adapter
Quick Installation Guide
Manual CD
Note: Contact your dealer immediately if any of the above items are missing,
damaged, or if the unit does not work.
1.2 Key Features
y
y
y
y
y
High-efficiency antenna expands the scope of your wireless network.
High-speed data transfer rate of up to 150Mbps.
QoS function: control the bandwidth required for different applications.
Compatible with 802.11b/g/n wireless networks.
Supports major encryption methods like WEP, WPA, and WPA2
encryption.
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y
y
WPS configuration for easier connection between adapter and AP/router.
Enable connection via pushing a button or entering an 8-digit code.
Support the commonly available interface USB 2.0 to allow convenient
installation.
1.3 Safety Information
In order to keep the safety of users, please read through the following safety
instructions:
y
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This USB Adapter is designed for indoor use only.
Do not put this device at or near hot or humid places. Also, do not leave
this device in the car in summer.
y
y
The USB Adapter is small enough to put in a child’s mouth, ear, or nose,
and it could cause serious or fatal injury.
There’s no user-serviceable part for the device. If users found the device
is not working properly, please contact the authorized dealer of purchase.
Do not disassemble the device, otherwise warranty will be void.
If the device falls into water, do not use it again before sending to the
dealer of purchase for inspection.
y
y
If users smell something strange, or even see some smoke coming out
from the network card, remove the power supply or switch the electrical
power off immediately, and call authorized for help.
1.4 System Requirements
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An empty USB 2.0 port (USB 1.1 will degrade the performance
dramatically).
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y
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Windows 2000, 2003, XP, or Vista operating system.
CD-ROM drive.
At least 100MB of available disk space.
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1.5 Specifications
Standards
Interface
Frequency Band
Data Rate
IEEE802.11b/ 802.11g / 802.11n
USB 2.0/1.1
2.4000 ~ 2.4835GHz
z
11b: 1/2/5.5/11Mbps
z
z
z
z
z
z
z
z
z
11g: 6/9/12/24/36/48/54Mbps
11n (20MHz): MCS0-7 (up to 72Mbps)
11n (40MHz): MCS0-7 (up to 150Mbps)
11n: 14dBm±1.5dBm
Output Power
Security
11g: 14dBm±1.5dBm
11b: 17dBm±1.5dBm
WEP 64/128-bit
WPA & WPA2
Cisco CCX Support
LED Indicators
Antenna
Link /Activity
Internal Antenna
MIMO Technology
Humidity
Temperature
Operating System
Emission
1T1R MIMO Technology
10~95% (Non-Condensing)
32~104°F (0 ~ 40°C)
Windows 2000/XP/2003/Vista
FCC, CE
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Chapter 2 Tour of Product
2.1 USB Adapter
1. USB Connector: insert this side of the device into an available USB slot.
2. Connector Cab: for protecting device when not in use.
3. WPS button: located on the bottom side of the device for activating WPS
pairing mode.
4. Link/Activity LED: indicate device is in use or traffic activity is evident.
2.1.1 LED Indication
LED
Status
Operation
Successful connection to AP
or Router
On
Transmitting data to AP or
Router
Flashing
Off
Link/Activity
No link to AP or Router/
WLAN function is disabled
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Chapter 3 Configuration
3.1 Drivers Installation
Step 1. Gently insert the USB adapter into an available USB slot. The following
message will appear, please press <Cancel>.
Step 2. Insert driver CD into the CD/DVD ROM drive of the computer, and
execute ‘Setup.exe’ program in ‘Utility’ folder. Read through the License
Agreement and select ‘I accept the terms of the license agreement’ then press
<Next> to proceed.
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Step 3. It is recommended to select ‘Install driver and Ralink WALN Utility’ for
first-time installation. Otherwise select second option to update existing drivers.
Step 4. The following windows will appear, please press on ‘Install’ to start the
process.
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Step 5. Click <Finish> to complete the driver installation process.
3.2 Operating Configuration Utility
After installation is complete, wireless configuration utility will be shown as an
icon at the lower-right corner of the windows desktop. Click on the icon using
right mouse key and select <Launch Config Utilities>.
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Step 1. Configuration utility will scan for available wireless access points
automatically. Please select an access point to connect, and click <Connect>.
If the AP you wish to connect is not in the list, please press <Rescan> to renew
the interface.
Some function includes more information, and can not be fitted in setup area. In
this case, you can click ‘More / less’ button to expand the setup utility window,
to display more information:
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3.2.1 Scan for Other Wireless Devices
There are two kinds of wireless connection mode: Infrastructure and Ad-Hoc.
Infrastructure mode is used by wireless access points, which is able to
establish wireless connection for you and other wireless/wired network clients.
Ad-Hoc mode is also know as ‘point-to-point’ mode, and in this mode, wireless
devices such as computer or PDA will not be capable to establish wireless
connection with more than one wireless device, and is suitable for establishing
a one-to-one wireless connection between two wireless devices. Before
connecting to any wireless access point or device by infrastructure or Ad-Hoc
mode, there are two issues to be aware of:
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Wireless device’s ‘SSID’ (Service Set Identifier). Users can scan for the
SSID of other wireless devices nearby, but if the SSID of the wireless
device is hidden, it is necessary to know exact SSID before establishing
the connection.
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y
If the wireless device uses encryption, the user must know its encryption
key in order to connect.
Please launch utility and it will scan for wireless access points near by:
Parameter
Description
The SSID of the wireless access point or wireless device
selected by user will be displayed here. When the SSID of
access point or wireless device is not available, users have to
input it here manually.
SSID
If symbol appears in front of the name of wireless device, it
means the user has established connection with that wireless
device.
It shows the connection type and channel number of this
wireless device.
: Wireless device is an access point.
: Wireless device is a computer (Ad-Hoc mode for point-
to-point connection).
The wireless standard supported by this access point is
displayed here.
: WPS icon will appear when the access point supports
WPS.
: If the access point uses encryption, a key icon will
appear.
When the access point supports WPS and WPS
will
appear. User may not see the key icon, even through the
access point uses encryption.
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If users cannot see the access point, please click ‘Rescan’ button to scan for
access point again, until the one preferred is displayed on the interface. Users
may have to click ‘Rescan’ for more than two times before the access point
wish to connect appears. If user still cannot see the access point after clicking
‘Rescan’ for more than five times, please move the computer closer to the
wireless access point.
If users wish to see detailed information for a specific access point, please
double-click on it, and detailed information will be provided.
Parameter
General
Description
Displays basic information about this access point, such as
SSID, MAC Address, authentication / encryption type,
channel etc.
If this access point supports WPS (Wi-Fi Protected Setup),
related information will be displayed here.
WPS
If this access point supports CCX (Cisco Compatible
eXtension), related information will be displayed here.
If this access point complies with 802.11n draft, related
information will be displayed here.
Users can decide how to sort all listed access point by ‘SSID’,
‘Channel’, or ‘Signal’ (signal strength).
CCX
802.11n
Sorted by >>
Show dBm
Check this box to show the signal strength of access point,
instead of percentage.
Click this button to rescan access points. Users can click this
button for several times, if the access point users wish to use
does not show in the list.
Rescan
Users can store a specific access point to profile, so access
point can be directly connected next time, without inputting
authentication key again. To add an access point to profile,
users have to select an access point from the list first, then
click ‘Add to Profile’ button. Detailed instructions will be given
below.
Connect to a selected access point. Users have to select an
access point from the list first and then click ‘Connect’ to
connect to the selected access point.
Add to Profile
Connect
3.2.2 Connect to Access Point
If the wireless access point users wish to connect is found, it can establish
connection by clicking on ‘Connect’ button. Instructions will be given as follow:
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Step 1. Click the wireless access point or network device to connect, it will be
highlighted, then click on ‘Connect’.
If the access point selected does not use encryption, it will connect to this
device within one minute. If the access point selected uses encryption, please
proceed to step 3.
Step 2. If the wireless access point does not have SSID, user will be prompted
to input it in the field provided. Please ask the owner of wireless access point
for the exact SSID to enter, and then click ‘OK’ when ready. If the SSID
provided is wrong, user will be prevented to access the wireless device.
Step 3. If the wireless access point uses encryption, user will be prompted to
input its WEP key or WPA preshared key.
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Step 4. Please ask the owner of the wireless access point for the security
information, and input the correct key here and then click on ‘OK’. By checking
‘Show Password’ box, the encryption key inputted here will be displayed.
Authentication type will be selected by the access point automatically, please
do not change it.
However, if the user connecting to an access point uses 802.1x authentication,
they will be required to check ‘802.1x’ box and input related information.
Step 5. If the wireless access point is successfully connected, you’ll see an
icon appears in front of the name of wireless device.
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3.2.3 Add Access Point to Profile
If users connect to some specific wireless access point frequently, they can add
their information to the profile. Just like the telephone directory, the profile
saves all information of access points, and user can recall them anytime. User
can add an access point in the ‘Network’ tab to profile, or input all information of
an access point manually.
To add an access point in the ‘Network’ tab to profile, please select an access
point first (make it highlighted), then click ‘Add to Profile’ button. To input the
information of access point manually, please go to ‘Profile’ menu and click ‘Add’
button.
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Parameter
Profile Name
Description
User can give this profile a name. Every profile needs a
unique name.
Please input the SSID of this access point. If user selected an
access point from the list, and SSID is not hidden, it will be
filled automatically. However, user can modify the SSID if
necessary.
SSID
Please select the network type: Ad hoc or Infrastructure. If
user is connecting to an access point, please select
‘Infrastructure’. For point-to-point wireless connection (i.e.
connecting to another computer using Ad Hoc mode), please
select Ad hoc. If user selected an access point from the list
above, please keep this field unchanged.
Network Type
User can select the wireless output power here. If user is not
too far from access point (good signal reception), it can select
a lower output power to save energy. For a distant access
point, user can select a higher output power. It’s suggested to
select ‘Auto’ to let setup utility decide the best output power.
Select the preamble for Ad hoc mode here. Available options
are ‘Auto’ and ‘Long’. It’s suggested to select ‘Auto’ to let
setup utility decide the preamble.
Tx Power
Preamble
Channel
User can select the radio channel number for AdHoc mode.
Please select CAM (constantly awake mode, keep wireless
radio activity even when not transferring data), or PSM
(Power saving mode, switches radio off when not transferring
data). It’s recommended to choose ‘PSM’ if user is using this
network card with notebook computer to help the battery last
longer.
Power Save Mode
Check this box to set the RTS threshold. User can drag the
slider to set the threshold value, or input the value in the box
located at right. It’s recommended to keep this value
untouched unless the users know the effect of changing this
value.
RTS Threshold
Check this box to set the packet fragment threshold. User can
drag the slider to set the threshold value, or input the value in
the box located at right. It’s recommended to keep this value
untouched unless users know the effect of changing this
value.
Fragment Threshold
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Parameter
Description
Select the authentication type of the wireless access point or
wireless device in this field. When users are adding a profile
from an existing access point or wireless device,
authentication type will be selected automatically.
Select the encryption type of the wireless access point or
wireless device in this field. When users are adding a profile
from an existing access point or wireless device, the
encryption type will be selected automatically.
Authentication
Encryption
User can select key type (Hexadecimal or ASCII) and input
WEP key in this field. If encryption is not enabled, or users
select ‘WPA’ as encryption type, this field will be disabled and
grayed out.
User can set up to 4 WEP keys here. There are two types of
WEP: Hexadecimal and ASCII. For Hexadecimal key, user
can input number 0-9 and alphabet a-f (Eg. 001122aabbcc).
For ASCII key, user can input number 0-9 and alphabet a-z
(Eg. mywepkey12345).
WPA Preshared Key
The length of WEP key depends on the type of WEP key
selected. User can input 10 or 26 hexadecimal characters and
5 or 13 ASCII characters as WEP key.
Check this box and all passphrases or security keys inputted
will be displayed instead of replacing it with asterisk.
If the access point requires 802.1x authentication, please click
on ‘Use 802.1x’ box, then click ’802.1X’ tab to set parameters.
Show Password
Use 802.1x
To set 802.1x authentication for the access point, please click ‘802.1X’ tab:
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Parameter
EAP Method
Description
Select ‘802.1x EAP method’ from dropdown menu. Please
ask the administrator of the access point for the correct EAP
method.
Select 802.1x tunnel authentication type from dropdown
menu. Please ask the administrator of the access point for
correct tunnel authentication method. This pull down menu is
only available when authentication type is 'PEAP', ‘TLS /
Smart Card', or 'TTLS'.
Tunnel Authentication
ID \ Password Tab
When users use 'EAP-FAST' as authentication type, the
protocol setting is always 'Generic Token Card' and cannot be
changed. Users also need to select ‘Soft Token’ or ‘Static
Password’ as password in ‘ID \ Password’ setting.
Input 802.1x username/password and other information if it is
required. Click ‘Show Password’ to show the password typed.
Use this tab to select a local certificate from dropdown menu.
If the access point requires a specific client certificate, the
certificate must be installed on the client computer.
Client Certification
Tab
Use this tab to use server-based certification. Please select a
CA (Certificate Authority) from dropdown menu. If
intermediate certificates are allowed, please select ‘Allow
intermediate certificates’. Also, if users need to specify CA
server’s name, they can specify it in ‘Server name’ field. User
can select ‘Server name must match’ so the CA server’s
name must be the same with the value set in ‘Server name’
field. If only the domain name part of full server name needs
to be the same value set in ‘Server name’ field, select
‘Domain name must end in specified name’.
Server Certification
Tab
After you complete all information related to the access point, click ‘OK’ to save
the profile, or click ‘cancel’ to stop the process.
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3.2.4 Using Windows Zero Configuration
Windows XP and Vista has a built-in wireless network configuration utility,
called ‘Windows Zero Configuration’ (WZC). Users can also use WZC to
configure the wireless network parameter.
Step 1. Right-click on configuration utility icon and select <Use Zero
Configuration as Configuration utility>.
Step 2. Click <Start> button and <Control Panel>, then select <Network and
Internet Connections>.
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Step 3. Click <Network Connections>.
Step 4. Right-click ‘Wireless Network Connection’ (it may have a number as
suffix if you have more than one wireless network card, please make sure you
right-click the ‘802.11n Wireless LAN Card), then select ‘View Available
Wireless Networks’.
Step 5. All wireless access points within proximity will be displayed here. If the
preferred access point is not displayed, please try to move the computer closer
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to the access point. Otherwise, users can press refresh button to rescan access
points. Select the access point if it’s shown, then click <Connect>.
Step 6. If the wireless access point uses encryption, users will have to input the
correct WEP passphrase or WPA pre-shared key. Ensure both the AP and PC
is set with the same WEP passphrase/WPA pre-shared key. Otherwise the
wireless connection will fail to establish.
If the access point selected does not use encryption, users will not be prompted
for security key or passphrase.
Step 7. If users can see this message, the connection between the computer
and wireless access point is successfully established.
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3.2.5 Profile Management
If users need to connect to different wireless access points at different time,
they can store the connection parameters (encryption, passphrase, security etc,
etc.) as a profile for every access point. Click the ‘Profile’ menu and all profiles
will be listed in ‘Profile List’. Users can select a profile from the list and all
information about selected profile will be listed.
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Add a Profile
If users want to create new profile, click ‘Profile’ menu, then press ‘Add’ button.
The interface will prompt the user to input detailed information of access point.
Edit a Profile
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If users have added a profile before, and they wish to change the content of the
profile, they can use this function. Please select a profile from the list, and then
click on ‘Edit’ button. The interface will provide contents of selected profile for
editing. Click on ‘OK’ to save changes, or click ‘Cancel’ to discard changes.
Delete an Existing Profile
If users no longer need a profile, they can delete it via this function. Select the
profile to delete from the list, and click ‘Delete’ button to remove the entry.
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Activate a Profile
When users want to connect to a specific wireless device in the profile list, they
can select it and click ‘Activate’ button to establish connection.
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When a profile is selected and click on ‘Activate’ button, an
icon will be
displayed in front of the profile to show that the connection has failed. When the
connection is successfully established, an icon will be displayed.
3.2.6 Advanced Settings
This wireless network card provides several advanced settings for experienced
wireless users. Users can change these settings to increase data transfer
performance or change operation mode. Please follow the following instructions
to set advanced wireless settings.
Parameter
Wireless mode
Enable Tx Burst
Description
Display the wireless operation mode of the network card.
Check this box to accelerate the data transmit rate. It may not
work with all wireless access point and wireless devices.
Enable TCP Window
Size
Check this box and the configuration utility will adjust TCP
window size automatically to get better performance.
Check this box to control the threshold for switching between
the wireless network card and another access point with
better signal quality. Only adjust value when the users need
to roam between multiple access points.
Fast Roaming
When the computer is being authenticated by wireless
authentication server, a dialog window with the process of
authentication will appear.
Show Authentication
Status Dialog
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Enable Cisco Compatible eXtensions. CCX is a wireless
feature developed by Cisco used to improve the wireless
performance with CCX compatible wireless devices. Check
this box if the users need to connect to CCX-compatible
wireless devices. When CCX is enabled, the following setup
items will become available:
¾
Turn on CCKM: Check this box to enable CCKM (Cisco
Centralized Key Management), which enables wireless
clients to roam between CCKM-enabled access points in
very short time.
Enable CCX
¾
¾
Enable Radio Measurements: When connecting to CCX-
compatible access point, check this box to enable radio
measurement function to improve wireless connectivity.
Non-Serving Channel Measurements Limit: When
connecting to CCX-compatible access point, check this
box to enable measurement on unused radio channels
to improve wireless connectivity.
Click <Apply> to save the changes.
3.2.7 View Network Statistics
The configuration utility provides information about network statistics and link
status. If users want to know how the wireless network card is working, use
these functions to get detailed information.
All connection-related statistics is displayed here. Users can click ‘Transmit’ or
‘Receive’ tab, to view the statistics of transmitted or received packets. It can
also click ‘Reset Counter’ button, to reset the statistics of all items back to 0.
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3.2.8 WMM Setting
This wireless network card provides WMM (Wi-Fi Multimedia) function, which
can improve the performance of certain network applications, like audio/video
streaming, network telephony (VoIP), and others. When the users enable the
WMM function of this network card, they can define the priority of different kinds
of data to give higher priority to applications which require instant response.
Parameter
WMM Enable
Description
Check this box to enable WMM function. Please click ‘Apply’
button on the right of this check box so corresponding settings
in this window will be activated or deactivated respectively.
Check this box to enable WMM power saving mode to save
energy, and allow the computer’s battery to last longer. Users
also have to select WMM power save modes:
WMM – Power Save
Enable
¾
¾
¾
¾
AC_BE: Best Performance
AC_BK: Worst Performance
AC_VI: Video data has priority
AC_VO: Voice data has priority
If users have another WMM-enabled wireless device, they
can enter its MAC address in this field, and then click ‘Apply’
button. This network card will establish a direct link to the
wireless device specified. The users also have to specify the
timeout value of this directly-linked wireless device. Valid
values are from 1 to 65535 (seconds), and input ‘0’ for infinity.
Direct Link Setup
Enable
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3.2.9 WPS Configuration
Wi-Fi Protected Setup (WPS) is the latest wireless network technology, which
makes wireless network setup become very simple. The user doesn’t have to
configure the wireless access point and setup data encryption when devices
support WPS.
This wireless network card is compatible with WPS. To use this function, the
wireless access point must also support WPS function. Please follow the
following instructions to establish secure connection between WPS-enabled
devices.
WPS Setup - PBC (Push-Button Configuration)
Step 1. Set ‘Config Mode’ to ‘Enrollee’, and then push the ‘WPS’ button on the
wireless access point (the button used to activate WPS standby mode may
have another name), or use other way to start WPS PBC standby mode as the
instruction given by the wireless access point’s user manual. User can also set
‘Config Mode’ to ‘Registrar’. In this mode, the wireless network card will wait for
other WPS-enabled access points to send WPS pairing requests. Please refer
to the instruction given by the wireless access point’s user manual to
understand how to send WPS requests.
Step 2. Before users start to establish the wireless connection by using WPS,
click ‘Rescan’ button to search for WPS-enabled access points and make sure
the WPS function of the access point is activated.
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All access points with WPS function enabled will be displayed here. Please
make sure the access point users wish to connect is displayed. If not, please
click ‘Rescan’ few more times. The user can also click ‘Information’ button to
see the detailed information about selected access point.
Step 3. Start PBC pairing procedure at access point side (please refer to the
instruction given by your access point’s manufacturer), then click ‘PBC’ button
in wireless configuration utility to start to establish wireless connection by WPS.
Please be patient as this may require several seconds to one minute to
complete. When users see ‘WPS status is connected successfully’ message,
means the connection between this wireless network card and access point is
successful.
Users can click ‘Detail’ button to see further information of connected access
point. If users wish to save this connection as a profile, they can click ‘Export
Profile’ button, and this connection will be saved. Users can find this connection
in ‘Profile’ tab in a later time.
Sometime WPS may fail (In the following picture, WPS pairing is failed because
no WPS-enabled access point is found):
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Users can click ‘PBC’ button few more times to try again. When an access point
is connected, users can click ‘Disconnect’ to disconnect your wireless network
card from a connected access point. Users can also click ‘Rotate’ button, and
next access point on the list will be selected to establish connection.
WPS Setup – PIN
The PIN code of the wireless network card is an eight-digit number located at
the upper-right position of configuration utility. Remember the code and input
the number to the wireless access point as the WPS PIN code.
Step 1. Click on ‘PIN’ button now, and wait for few seconds to one minute. If a
wireless access point with correct PIN code is found, it will be connected to that
device.
Users may have to click ‘PIN’ for few more times to try again. If they still can not
connect to access point by this way, please make sure the PIN code provided
to access point is correct.
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Parameter
WPS associate IE
WPS probe IE
Auto
Description
Check this box to send the association request with WPS IE
during WPS setup.
Check this box to send the WPS probe request with WPS IE
during WPS setup.
When in PIN mode, wireless access point to be connected will
be selected automatically if this box is checked.
3.2.10 Radio On/Off
Users can switch the wireless radio transceiver on and off via the utility
interface, therefore it is not necessary to physically remove the network card
from the PC/laptop.
Step 1. To switch wireless radio on/off, please click on ‘Radio On/Off’ button.
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3.2.11 About
The ‘About’ tab provides the information about version number of the
configuration utility, driver, and other important information about the wireless
network card.
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Chapter 4 Soft-AP Function
Besides becoming a wireless client of other wireless access points, this
wireless card can also act as a wireless service provider. Users can switch this
wireless card’s operating mode to ‘AP’ to simulate the function of a real
wireless access point by software and even sharing the internet connection.
Please follow the instructions in following chapters to use the AP function of the
wireless card.
4.1 Switch to AP Mode and Basic
Configuration
The operating mode of the wireless card is ‘Station Mode’ (becoming a client of
other wireless access points) by default. If users want to switch to AP mode,
please right-click on utility icon, and select ‘Switch to AP Mode’.
If users want to switch the wireless card back to station mode (become a client
of other wireless access points), click ‘Switch to Station Mode’.
A configuration window will appear after switching the operation mode to ‘AP’,
which asks users to assign an existing network card with internet connection.
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If the computer has another network card which is connected to Internet, please
select it from ‘Name’ dropdown menu, and click ‘Enable ICS’. If your computer
does not have another network card with Internet connection, please click ‘Not
enable ICS’.
After clicking on ‘Enable ICS’ or ‘Not enable ICS’, the user will see the basic
configuration menu of the AP function.
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Parameter
Description
Please input the SSID (the name used to identify this wireless
access point) in this field. Up to 32 numerical characters can
be accepted here excepting space.
SSID
Please select the wireless channel to use for the environment.
The number of channels available here will vary depending on
the setting of ‘Country Region Code’.
Channel
Select the operation mode of the access point in this field.
Wireless Mode
Click this button to use the MAC address of the wireless card
as SSID. A prefix ‘AP’ will be added automatically.
Use Mac Address
Set the security options (wireless data encryption). Please
refer to next section on ‘Security Settings’ for details.
Security Setting
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Please select the country code of the country or region.
Available options are 0-7, which will affect the available
wireless channels:
0: FCC (US, Canada, and other countries uses
FCC radio communication standards)
1: ETSI (Europe)
2: SPAIN
3: FRANCE
4: MKK
Country Region Code
5: MKKI (TELEC)
6: ISERAL (Channel 3 to 9)
7: ISERAL (Channel 5 to 13)
Please note that only change the country code if the country
is different. For example, when operating this product in US,
only channels 1~11 can be operated. Selection of other
channels is not permitted under FCC regulations.
No forwarding among
wireless clients
Check this box and wireless clients will not be able to share
data with each other.
Check this box and the SSID will not be broadcasted to the
public. Your wireless clients must know the exact SSID to be
able to connect to the computer. This option is useful to
enhance security level.
Hide SSID
Check this box to allow BW 40MHz capability.
Allow BW 40 MHz
Tx BURST
Check this box to accelerate the data transmit rate. It may not
work with all wireless access point and wireless devices.
Users can define the time interval that a beacon signal should
be send. Default value is 100.
Beacon(ms)
Users can select the wireless output power in this field.
Please select a proper output power setting according to the
actual needs. Users may not need 100% of output power if
other wireless clients are nearby.
TX Power
Select the idle time for the wireless access point. Default
value is 300. Do not modify this value unless you know what
will be affected.
Idle Time
Click <Apply> to save the changes.
4.2 Security Setting
This wireless card supports wireless encryption in AP mode, which will encrypt
the data being transferred over the air to enhance data security level. It’s
recommended to enable data encryption unless the users wish to open the
computer (and its internet connection) to the public. When users click on
‘Security Setting’ in the utility, the following window will appear:
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Parameter
Description
Please select a wireless authentication type to use. Available
options are ‘Open’, ‘Shared’, WPA-PSK’, ‘WPA2-PSK’, and
‘WPA-PSK / WPA2-PSK’. If users want to disable wireless
data encryption, please select ‘Open’.
Authentication Type
Please select an encryption mode. The available options in
this setting item will vary depending on the authentication type
selected. If users select ‘Not Use’, data will not be encrypted
and people with some networking knowledge will be able to
read the data transferred with proper tool.
Encryption Type
Please input the WPA pre-shared key in this field. Only clients
with the same pre-shared key inputted here will be able to
connect to the computer. This setting is only available when
WPA encryption is selected.
Users can specify the time interval to re-issue the key to
wireless clients. Users can click the button ’10 seconds’ or
‘Kpackets’ to change the unit of time interval. (Every 10
seconds or a thousand data packets times the value specified
in ‘Group Rekey Interval’ field).
WPA Pre-shared Key
Group Rekey Interval
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Please input the WEP encryption key in this field when ‘WEP’
is selected. There are 2 types of WEP key: Hex (number 0 to
9, and ASCII characters A to F) and ASCII (all alphanumerical
characters plus symbols). Please select the type of WEP key
first, and then input the WEP key according to the type of
WEP key selected.
WEP Key
If users want to use WEP 64 bits encryption, please input 10
characters for HEX and 5 characters for ASCII. If users want
to use WEP 128bits encryption, please input 26 characters for
HEX and 13 characters for ASCII. 128 bits encryption is safer
than 64 bits, but the data transfer speed will be slightly
reduced.
Check this box and the WPA pre-shared key or WEP key
inputted will be display and not replaced by asterisk (*).
Show Password
When you finish with setting and want to save changes, click <Ok> button, or
click <Cancel> button to discard all changes made.
4.3 Access Control
If users are not going to open the computer and wireless resources to the
public, they can use MAC address filtering function to enforce the access
control policy. So only the MAC address included by the ACL can connect to
the device.
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Parameter
Description
Select the policy type of your access rule.
¾
¾
¾
Disable: Allow any wireless client with proper
authentication settings to connect to this access point.
Allow All: Only allow wireless clients with MAC address
listed here to connect to this access point.
Reject All: Reject wireless clients with MAC address
listed here to be connected to this access point.
Access Policy
Input the MAC address of the wireless client you wish to allow
or reject here. No colon (:) or hyphen (-) required.
Add the MAC address you inputted in ‘MAC address’ field to
the list.
MAC address
Add
Please select a MAC address from the list, then click ‘Delete’
button to remove it.
Delete
Delete all MAC addresses in the list.
Remove All
Click <Apply> to save the changes.
4.4 MAC Table
If users want to see the list of all wireless clients connected to this access point,
please select ‘Mac Table’ tab from the utility.
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Parameter
MAC Address
Description
Displays the MAC address of this wireless client.
The serial number of this wireless connection.
AID
Displays the capability of power-saving function of this
wireless client.
Power Saving Mode
Displays additional information of this wireless Connection,
like current wireless operating mode and data transfer rate.
Status
4.5 Event Log
This software access point will log all wireless-related activities as a log. Click
‘Event Log’ tab, and the interface below will be displayed.
4.6 Statistics
If users want to know detailed information about how the software access point
works, click ‘Statistics’ tab, and the below interface will be displayed.
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4.7 About
The ‘About’ tab provides the information about version number of the
configuration utility, driver, and other important information about the wireless
access point.
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Chapter 5 Troubleshooting
If users encounter any problem when using this wireless network card, consult this
section for possible solutions. Before calling the dealer of purchase for help, please
check this troubleshooting table, the solution towards the problem could be very
simple.
Scenario
Solution
1.
Click <Rescan> for few more times and see if it can find
any wireless access point or wireless device.
Please move closer to any known wireless access point.
‘Ad hoc’ function must be enabled for the wireless
device that wishes to establish a direct wireless link.
Please adjust the position of the network card and click
‘Rescan’ button for few more times.
Please make sure the wireless network card is firmly
inserted into the computer’s USB slot. If the
configuration utility’s icon is black, the network card is
not detected by the computer.
I can’t find any
2.
3.
wireless access point
/ wireless device in
‘Site Survey’ function.
4.
1.
Nothing happens
when I click ‘Launch
config utilities’.
2.
3.
4.
1.
2.
Reboot the computer and try again.
Remove the driver and re-install.
Contact the dealer of purchase for help.
Click <Connect> for few more times.
If the SSID of access point is hidden, users have to input
correct SSID of the access point. Please contact the
owner of access point to ask for correct SSID.
Users have to input correct passphrase / security key to
connect an access point with encryption. Please contact
the owner of access point to ask for correct passphrase /
security key.
The access point only allows network cards with specific
MAC address to establish connection. Please go to
‘About’ tab and write the value of ‘Phy_Addess’ down,
then present this value to the owner of access point so
he / she can add the MAC address of the network card
to his / her access point’s list.
3.
4.
I cannot establish
connection with a
certain wireless
access point.
1.
2.
3.
4.
Move closer to the place where access point is located.
Enable ‘Wireless Protection’ in ‘Advanced’ tab.
Disable ‘Tx Burst’ in ‘Advanced’ tab.
Enable ‘WMM’ if users need to use multimedia /
telephony related applications.
The network is slow /
having problem when
transferring large files 5. Disable ‘WMM – Power Save Enable’.
6.
There could be too much people using the same radio
channel. Ask the owner of the access point to change
the channel number.
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Chapter 6 Glossary
1. What is the IEEE 802.11g standard?
802.11g is the new IEEE standard for high-speed wireless LAN communications
that provides up to 54 Mbps data rate in the 2.4 GHz band. 802.11g is quickly
becoming the next mainstream wireless LAN technology for the home, office and
public networks. 802.11g defines the use of the same OFDM modulation technique
specified in IEEE 802.11a for the 5 GHz frequency band and applies it in the same
2.4 GHz frequency band as IEEE 802.11b. The 802.11g standard requires
backward compatibility with 802.11b.
The standard specifically calls for:
A new physical layer for the 802.11 Medium Access Control (MAC) in the 2.4 GHz
frequency band, known as the extended rate PHY (ERP). The ERP adds OFDM as
a mandatory new coding scheme for 6, 12 and 24 Mbps (mandatory speeds), and
18, 36, 48 and 54 Mbps (optional speeds). The ERP includes the modulation
schemes found in 802.11b including CCK for 11 and 5.5 Mbps and Barker code
modulation for 2 and 1 Mbps. protection mechanism called RTS/CTS that govern
how 802.11g devices and 802.11b devices interoperate.
2. What is the IEEE 802.11b standard?
The IEEE 802.11b Wireless LAN standard subcommittee who has formulates the
standard for the industry. The objective is to enable wireless LAN hardware from
different manufactures to communicate.
3. What does IEEE 802.11 feature support?
The product supports the following IEEE 802.11 functions:
z
z
z
CSMA/CA plus Acknowledge Protocol
Multi-Channel Roaming
Automatic Rate Selection
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z
z
z
RTS/CTS Feature
Fragmentation
Power Management
4. What is Ad-hoc?
An Ad-hoc integrated wireless LAN is a group of computers with their own Wireless
LAN Card connecting as an independent wireless LAN. Ad hoc wireless LAN is
applicable at a departmental scale for a branch or SOHO operation.
5. What is Infrastructure?
An integrated wireless and wired LAN is called an Infrastructure configuration.
Infrastructure is applicable to enterprise scale for wireless access to central
database, or wireless application for mobile workers.
6. What is BSS ID?
A specific Ad hoc LAN is called a Basic Service Set (BSS). Computers in a BSS
must be configured with the same BSS ID.
7. What is WEP?
WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 40 bit
shared key algorithm, as described in the IEEE 802 .11 standard.
8. What is TKIP?
TKIP is a quick-fix method to quickly overcome the inherent weaknesses in WEP
security, especially the reuse of encryption keys. TKIP is involved in the IEEE
802.11i WLAN security standard, and the specification might be officially released
by early 2003.
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9. What is AES?
AES (Advanced Encryption Standard), a chip-based security, has been developed
to ensure the highest degree of security and authenticity for digital information,
while making more efficient use of hardware and/or software than previous
encryption standards. It is also included in IEEE 802.11i standard. Compare with
AES, TKIP is a temporary protocol for replacing WEP security until manufacturers
implement AES at the hardware level.
10. Can Wireless products support printer sharing?
Wireless products perform the same function as LAN products. Therefore,
Wireless products can work with Netware, Windows 2000, or other LAN operating
systems to support printer or file sharing.
11. Would the information be intercepted while transmitting on air?
WLAN features two-fold protection in security. On the hardware side, as with Direct
Sequence Spread Spectrum technology, it has the inherent security feature of
scrambling. On the software side, WLAN series offer the encryption function (WEP)
to enhance security and Access Control. Users can set it up depending upon their
needs.
12. What is DSSS? What is FHSS? What are their differences?
Frequency-hopping spread-spectrum (FHSS) uses a narrowband carrier that
changes frequency in a pattern that is known to both transmitter and receiver.
Properly synchronized, the net effect is to maintain a single logical channel. To an
unintended receiver, FHSS appears to be short-duration impulse noise. Direct-
sequence spread-spectrum (DSSS) generates a redundant bit pattern for each bit
to be transmitted. This bit pattern is called a chip (or chipping code). The longer the
chip is, the greater the probability that the original data can be recovered. Even if
one or more bits in the chip are damaged during transmission, statistical
techniques embedded in the radio 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.
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13. What is Spread Spectrum?
Spread Spectrum technology is a wideband radio frequency technique developed
by the military for use in reliable, secure, mission-critical communication 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).
14. What is WMM?
Wi-Fi Multimedia (WMM), a group of features for wireless networks that improve
the user experience for audio, video and voice applications. WMM is based on a
subset of the IEEE 802.11e WLAN QoS draft standard. WMM adds prioritized
capabilities to Wi-Fi networks and optimizes their performance when multiple
concurring applications, each with different latency and throughput requirements,
compete for network resources. By using WMM, end-user satisfaction is
maintained in a wider variety of environments and traffic conditions. WMM makes it
possible for home network users and enterprise network managers to decide which
data streams are most important and assign them a higher traffic priority.
15. What is WMM Power Save?
WMM Power Save is a set of features for Wi-Fi networks that increase the
efficiency and flexibility of data transmission in order to conserve power. WMM
Power Save has been optimized for mobile devices running latency-sensitive
applications such as voice, audio, or video, but can benefit any Wi-Fi device. WMM
Power Save uses mechanisms included in the IEEE 802.11e standard and is an
enhancement of IEEE 802.11 legacy power saves. With WMM Power Save, the
same amount of data can be transmitted in a shorter time while allowing the Wi-Fi
device to remain longer in a low-power “dozing” state.
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16. What is GI?
GI stands for Guard Interval. It’s a measure to protect wireless devices from cross-
interference. If there are two wireless devices using the same or near channel, and
they are close enough, radio interference will occur and reduce the radio resource
usability.
17. What is STBC?
STBC stands for Space-Time Block Coding, which is a technique used to transfer
multiple copies of data by multiple antenna, to improve data transfer performance.
By using multiple antennas, not only data transfer rate is improved, but also the
wireless stability.
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