Chapter I: Product Information... 3

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2 According to the European WEEE directive, electrical and electronic equipment must not be disposed with consumers waste. Its components must be recycled or disposed apart from each other. Otherwise contaminative and hazardous substances can pollute our environment. You as a consumer are committed by law to dispose electrical and electronic devices to the producer, the dealer, or public collecting points at the end of the devices lifetime for free. Particulars are regulated in national right. The symbol on the product, in the user's manual, or at the packaging alludes to these terms. With this kind of waste separation, application, and waste disposal of used devices you achieve an important share to environmental protection. Contents Chapter I: Product Information Introduction and safety information Safety Information System Requirements Package Contents Familiar with your new wireless network card... 7 CHAPTER II: DRIVER INSTALLATION AND CONFIGURATION Network Card Installation Connect to Wireless Access Point Using Ralink Utility Using Windows Zero Configuration Chapter III: Ralink Wireless Utility Profile Network Advanced Statistics WMM WPS WPS Setup - PBC (Push-Button Configuration) WPS Setup - PIN Radio on/off ~ 1 ~

3 3-8 About CHAPTER IV: Soft-AP Function Switch to AP Mode and Basic Configuration Security Settings x Setting Access Control Connection table Event Log Statistics CHAPTER IIV: APPENDIX Hardware Specification Troubleshooting Glossary FCC and Other Compliance Statements ~ 2 ~

4 Chapter I: Product Information 1-1 Introduction and safety information Thank you for purchasing this high-speed n/g/b wireless network card! Excepting common wireless standards b/g, this wireless network card is also N compatible - data transfer rate is 300Mbps, and that s six times faster than g wireless network! N also provides wider wireless coverage, so you don t have to worry if your computer is far from your wireless access point. This wireless network card also supports MIMO (Multi-In, Multi-Out) technology, which uses two different radio channels to enhance data transfer rate and wireless coverage. With easy-to-install USB 2.0 interface - a very common expansion port of computers - plug this wireless network card into any empty USB port of your computer, just that simple! Other features of this router including: High-efficiency antenna, expands the scope of your wireless network. QoS function: control the bandwidth required for different applications n/g/b compatible. Supports major encryption methods like WEP, WPA, and WPA2 encryption. USB 2.0 interface - you can get it installed on your computer in just few seconds! Wireless access control - prevent unauthorized network access to your network and computer. ~ 3 ~

5 1-2 Safety Information In order to keep the safety of users and your properties, please follow the following safety instructions: 1. This USB wireless network card is designed for indoor use only. DO NOT expose this network card to direct sun light, rain, or snow. 2. DO NOT put this network card at or near hot or humid places, like kitchen or bathroom. Also, do not left this wireless network card in the car in summer. 3. This network card is small enough to put in a child s mouth, and it could cause serious injury or could be fatal. If they throw the network card, the card will be damaged. PLEASE KEEP THIS NETWORK CARD OUT THE REACH OF CHILDREN! 4. This network card will become hot when being used for long time (This is normal and is not a malfunction). DO NOT put the network card on a paper, cloth, or other flammable objects after the network card has been used for a long time. 5. There s no user-serviceable part inside the network card. If you found that the network card is not working properly, please contact your dealer of purchase and ask for help. DO NOT disassemble the network card by your self, warranty will be void. 6. If the network card falls into water, DO NOT USE IT AGAIN BEFORE YOU SEND THE CARD TO THE DEALER OF PURCHASE FOR INSPECTION. 7. If you smell something strange or even see some smoke coming out from the network card, switch the computer off immediately, and call dealer of purchase for help. ~ 4 ~

6 1-3 System Requirements An empty USB 2.0 port (May not work on USB 1.1 port, and performance will be greatly reduced) Windows 2000, 2003, XP, Vista or Windows 7 operating system CD-ROM drive At least 100MB of available disk space ~ 5 ~

7 1-4 Package Contents Before you starting to use this wireless network card, please check if there s anything missing in the package, and contact your dealer of purchase to claim for missing items: Wireless N USB2.0 Adapter x 1 2. Protection Cap x 1 3. USB Cable x 1 4. Quick Installation Guide x 1 5. CD ROM (Driver + User Manual) x 1 ~ 6 ~

8 1-5 Familiar with your new wireless network card 1. USB Connector 2. Connector Cap (To protect USB connector when not in use) 3. Link/Activity LED LED Name Link/ Activity Light Status Description On Linked to a wireless access point / Transferring data Off No wireless activity ~ 7 ~

9 CHAPTER II: DRIVER INSTALLATION AND CONFIGURATION 2-1 Network Card Installation Please follow the following instructions to install your new wireless network card: 1. Insert the USB wireless network card into an empty USB 2.0 port of your computer when computer is switched on. Never use force to insert the card, if you feel it s stuck, flip the card over and try again. ~ 8 ~

10 2. The following message will appear on your computer, click cancel. 3. Please insert the AUTORUN CD into your CD-ROM drive. The CD should auto-start, displaying the following window. If it does not start, click on Start-Run and type in CD: \autorun.exe (where CD is the drive letter of your CD-ROM drive.) Click "Driver Installation". ~ 9 ~

11 4. You can choose the configuration tool used to configure the wireless network card here, or only install driver. ~ 10 ~

12 5. There are two configuration tool you can select here: Ralink Configuration Tool or Microsoft Zero Configuration Tool It s recommended to select Ralink Configuration Tool, which provides fully access to all function of this wireless network card. If you prefer to use the wireless configuration tool provided by Windows XP or Vista, please select Microsoft Zero Configuration Tool, then click Next. 6. The following message will appear on your computer, click install. ~ 11 ~

13 7. Please wait while the install procedure is running. When you see this message, please click Finish to complete the driver installation process. A new icon will appear at lower-right corner of your computer desktop, you can put the mouse cursor on the icon, and the status of wireless card will be displayed as a popup balloon. ~ 12 ~

14 2-2 Ralink Utility and Windows Zero Configuration Windows XP includes a wireless configuration utility named "Windows Zero configuration" (WZC) which provides basic configuration functions to the Ralink Wireless NIC. Ralink's utility (RaUI) additionally provides WPA functionality. To make it easier for the user to select the correct utility. you can start config utility again by clicking Ralink Wireless Utility icon from Start -> All Programs -> Ralink Wireless, as shown below. ~ 13 ~

15 RaUI can co-exist with WZC. When coexisting with WZC, RaUI only provides monitoring functions, such as surveying the link status, network status, statistic counters, advanced feature status, WMM status and WPS status. It won't interfere with WZC's configuration or profile functions. ~ 14 ~

16 2-2-1 Using Ralink Utility Please follow the following instructions to use Ralink configuration utility to connect to wireless access point. 1. Right-click the Ralink configuration utility icon located at lower-right corner of computer desktop, then click Launch Config Utilities. 2. Configuration utility will scan for all wireless access points automatically. Scan results will be displayed here, please check if the wireless access point with the SSID (the name of wireless access point) you preferred is shown here. If the wireless access point you wish to connect does not show here, please click Rescan to try again, until the one you preferred is displayed. You may have to click Rescan for more than two times before you can see the access point you wish to use here sometimes. ~ 15 ~

17 3. Select the SSID of the AP to be connected, press the connect. 4. The Ralink Utility, will detect the pattern of security encryption requires a password, and click OK to complete the set. ~ 16 ~

18 5. The Ralink Utility connection is successful. 6. You can save multiple profiles, and activate the correct one at your preference. If you want to click new profile, then click Add to Profile button. Here are descriptions of every setup items: Profile Name: The user can chose any name for this profile, or use the default name defined by system. SSID: The user can key in the intended SSID name or select one of the available APs from the drop-down list. ~ 17 ~

19 7. Now click Auth. \ Encry. tab, and set the encryption and authentication settings. ~ 18 ~

20 8. After you finish all settings, click OK to save settings and exit. The profile you just created will be displayed: ~ 19 ~

21 2-2-2 Using Windows Zero Configuration Windows XP and Vista has a built-in wireless network configuration utility, called as Windows Zero Configuration (WZC). You can also use WZC to configure your wireless network parameter: 1. Right-click Ralink configuration utility icon and select Use Zero Configuration as Configuration utility. 2. Click Start button (should be located at the bottom-left corner of windows desktop), click Control Panel, then click Network and Internet Connections in Control Panel. ~ 20 ~

22 3. Click Connect to a network under Network Connections 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 Ralink n Wireless LAN Card), then select View Available Wireless Networks. ~ 21 ~

23 5. All wireless access points in proximity will be displayed here. If the access point you want to use is not displayed here, please try to move your computer closer to the access point, or you can click Refresh network list to rescan access points. Click the access point you want to use if it s shown, then click Connect. 6. If the access point is protected by encryption, you have to input its security key or passphrase here. It must match the encryption setting on the access point. If the access point you selected does not use encryption, you ll not be prompted for security key or passphrase. ~ 22 ~

24 7. If you can see Connected message, the connection between your computer and wireless access point is successfully established. ~ 23 ~

25 Chapter III: Ralink Wireless Utility 3-1 Profile The Profile List keeps a record of your favorite wireless settings at home, office, and other public hot-spots. You can save multiple profiles, and activate the correct one at your preference. Definition of each field: Profile Name: Name of profile, preset to PROF* (* indicate 1, 2, 3...). SSID: The access point or Ad-hoc name. Network Type: Indicates the networks type, including infrastructure and Ad-Hoc. ~ 24 ~

26 Authentication: Indicates the authentication mode used. Encryption: Indicates the encryption Type used. Use 802.1x: Shows if the 802.1x feature is used or not. Tx Power: Transmitting power, the amount of power used by a radio transceiver to send the signal out. Cannel: Channel in use for Ad-Hoc mode. Power Save Mode: Choose from CAM (Constantly Awake Mode) or Power Saving Mode. RTS Threshold: Users can adjust the RTS threshold number by sliding the bar or keying in the value directly. Fragment Threshold: The user can adjust the Fragment threshold number by sliding the bar or key in the value directly. Icons and buttons: : Indicates if a connection made from the currently activated profile. : Indicates if the connection has failed on a currently activated profile. : Indicates the network type is infrastructure mode. : Indicates the network type is in Ad-hoc mode. ~ 25 ~

27 : Indicates if the network is security-enabled. : Click to add a new profile. : Click to edit an existing profile. : Deletes an existing profile. : Activates the selected profile. : Shows information of the related status section. : Hides information of the related status section. Add/Edit Profile: There are three methods to open the Profile Editor dialog box. 1. You can open it by clicking the "Add to Profile" button in the Network tab. 2. You can open it by clicking the "Add" button in the Profile tab. 3. You can open it by clicking the "Edit" button on the Profile tab. ~ 26 ~

28 Profile Name: The user can chose any name for this profile, or use the default name defined by system. SSID: The user can key in the intended SSID name or select one of the available APs from the drop-down list. Power Save Mode: Choose CAM (Constantly Awake Mode) or Power Saving Mode. Network Type: There are two types, infrastructure and Ad-hoc mode. Under Ad-hoc mode, user can also choose the preamble type. The available preamble type includes auto and long. In addition, the channel field will be available for setup in Ad-hoc mode. RTS Threshold: User can adjust the RTS threshold number by sliding the bar, or key in the value directly. The default value is Fragment Threshold: User can adjust the Fragment threshold number by sliding the bar or key in the value directly. The default value is Channel: Only available for setting under Ad-hoc mode. Users can choose the channel frequency to start their Ad-hoc network. ~ 27 ~

29 Authentication Type: There are 7 type of authentication modes supported by RaUI. They are open, Shared, LEAP, WPA and WPA-PSK, WPA2 and WPA2-PSK. Encryption Type: For open and shared authentication mode, the selection of available encryption type are None and WEP. For WPA, WPA2, WPA-PSK and WPA2-PSK authentication mode, both TKIP and AES encryption is available x Setting: 802.1x is used for authentication of the "WPA" and "WPA2" certificate by the server. Pre-shared Key: This is the key shared between the AP and STA. For WPA-PSK and WPA2-PSK authentication mode, this field must be filled with a key between 8 and 32 characters in length. WEP Key: Only valid when using WEP encryption algorithms. The key must be identical to the AP's key. There are several formats to enter the keys. 1. Hexadecimal - 40bits : 10 Hex characters. 2. Hexadecimal - 128bits : 26 Hex characters. 3. ASCII - 40bits : 5 ASCII characters. 4. ASCII - 128bits : 13 ASCII characters. ~ 28 ~

30 3-2 Network The system will display the information of local APs from the last scan result as part of the Network section. The Listed information includes the SSID, BSSID, Signal, Channel, Encryption algorithm, Authentication and Network type. Definition of each field : SSID: Name of BSS or IBSS network. Network Type: Network type in use, Infrastructure for BSS, Ad-Hoc for IBSS network. Channel: Channel in use. Wireless Mode: AP support wireless mode. It may support a, b, g or n wireless mode. Security-Enable: Indicates if the AP provides a security-enabled wireless network. Signal: Receive signal strength of the specified network. ~ 29 ~

31 Icons and buttons : : Indicates that the connection is successful. : Indicates the network type is in infrastructure mode. : Indicates the network type is in Ad-hoc mode. : Indicates that the wireless network is security-enabled. : Indicates a wireless mode. : Indicates b wireless mode. : Indicates g wireless mode. : Indicates n wireless mode. : Indicates that the AP list is sorted by SSID, Channel or Signal. : Button to connect to the selected network. : Issues a rescan command to the wireless NIC to update information on the surrounding wireless network. ~ 30 ~

32 : Adds the selected AP to the Profile setting. It will bring up a profile page and save the user's setting to a new profile. : Shows the Status Section. : Hides the Status Section. ~ 31 ~

33 3-3. Advanced Wireless mode: Select wireless mode. 2.4G, 5G and 2.4+5G are supported. Wireless Protection: Users can choose from Auto, On, and Off. (This is not supported by n adapters.) Auto: STA will dynamically change as AP announcement. On: The frames are always sent with protection. Off: The frames are always sent without protection. TX Rate: Manually select the transfer rate. The default setting is auto. (802.11n wireless cards do not allow the user to select the TX Rate.) ~ 32 ~

34 Enable TX Burst: Ralink's proprietary frame burst mode. Enable TCP Window Size: Optimise the TCP window size to allow for greater throughput. Fast Roaming at-: enables fast roaming, which is set by the transmit power. Select Your Country Region Code: There are eight countries to choose from in the country channel list. (11A ListBox only shows for 5G adapter.) Show Authentication Status Dialog: When you connect to an AP with authentication, choose whether show the "Authentication Status Dialog" or not. The Authentication Status Dialog displays the processes during 802.1x authentication. ~ 33 ~

35 3-4. Statistics The Statistics page displays detailed counter information based on MIB counters. This page translates that MIB counters into a format easier for the user to understand. Transmit Statistics: Frames Transmitted Successfully: Frames successfully sent. Frames Fail To Receive ACK After All Retries: Frames failed transmit after hitting retry limit. RTS Frames Successfully Receive CTS: Successfully receive CTS after sending RTS frame. RTS Frames Fail To Receive CTS: Failed to receive CTS after sending RTS. ~ 34 ~

36 Frames Retransmitted Successfully: Successfully retransmitted frames numbers. Reset counters to zero. Receive Statistics: Frames Received Successfully: The number of frames successfully received. Frames Received With CRC Error: The number of frames received with a CRC error. Frames Dropped Due To Out-of-Resource: The number of frames dropped due to a resource issue. ~ 35 ~

37 Duplicate Frames Received: The number of duplicate frames received. Reset all the counters to zero. ~ 36 ~

38 3-5. WMM The WMM involves "WMM Enable", "WMM - Power Save Enable" and DLS setup. The introduction indicates as follow : Direct Link Setup Enable : Enable DLS (Direct Link Setup). WMM Enable : Enable Wi-Fi Multi-Media. WMM - Power Save Enable : Enable WMM Power Save. ~ 37 ~

39 3-6. WPS WPS Configuration: The primary goal of Wi-Fi Protected Setup (Wi-Fi Simple Configuration) is to simplify the security setup and management of Wi-Fi networks. Ralink STA supports the configuration and setup using a PIN configuration method or a PBC configuration method through an internal or external Registrar. WPS AP List: Displays the information of the surrounding APs with WPS IE from the last scan result. The detailed information includes the SSID, BSSID, Channel, ID (Device Password ID), Security-Enabled. Rescan: Issues a rescan command to the wireless NIC to update information on the surrounding wireless network. ~ 38 ~

40 Information: Displays the information about WPS IE on the selected network. The detailed list includes the Authentication Type, Encryption Type, Config Methods, Device Password ID, Selected Registrar, State, Version, AP Setup Locked, UUID-E and RF Bands. PIN Code: The user is required to enter an 8-digit PIN Code into Registrar. When an STA is the Enrollee, you can click "Renew" to re-generate a new PIN Code. Config Mode: The station serving as an Enrollee or an external Registrar. Table of Credentials: Displays all credentials obtained by the Registrar. The detailed list includes information about the SSID, MAC Address, Authentication and Encryption Type. If STA is the Enrollee, the credentials are created immediately with each WPS success. If STA is the Registrar, RaUI creates a new credential with WPA2-PSK/AES/64Hex-Key and doesn't change this until switching to STA Registrar. Control items for credentials. 1. Detail: Command to obtain Information about Security and the Key in the credential. 2. Connect: Command to connect to the selected network inside credentials. The active selected credential is as like as the active selected Profile. 3. Rotate: Command to rotate to connect to the next network inside credentials. 4. Disconnect: Stops the WPS action and disconnects the active link. It then selects the most recent profile on the Profile Page of RaUI. If there are no profiles, the driver will select any non-security AP. ~ 39 ~

41 5. Export Profile: Exports all credentials to a Profile. 6. Delete: Deletes an existing credential. And then selects the next credential. If there is not another credential, the driver will select any non-security AP. PIN: Start to add to Registrar using PIN configuration method. If STA Registrar, remember that enter PIN Code read from your Enrollee before starting PIN. PBC: Start to add to AP using PBC configuration method. After the user clicks PIN or PBC, please do not rescan within two-minutes of the connection. If you want to abort this setup within the interval, restart PIN/PBC or click "Disconnect" to stop WPS action. WPS associate IE: Sends the association request with WPS IE during the WPS setup. It is optional for STA. WPS probe IE: Sends the probe request with WPS IE during WPS setup. It is optional for STA. Progress Bar: Displays the rate of progress from Start to Connected. Status Bar: Displays the current WPS Status. Automatically select the AP: Starts to add to AP by using to select the AP automatically in PIN method. ~ 40 ~

42 WPS Configuration Wi-Fi Protected Setup (WPS) is the latest wireless network technology which makes wireless network setup become very simple. If you have WPS-enabled wireless access point, and you want to establish a secure connection to it, you don t have to configure the wireless access point and setup data encryption. All you have to do is go to the WPS setup page of this wireless card, click a button, and then press a specific button on the wireless access point you wish to establish a secure connection - just three simple steps! For older wireless access points, it s possible to perform a firmware upgrade to become a WPS-enabled access point. Since they may not have a hardware button to press for WPS setup, you can use an alternative WPS setup method input the pin code. Every WPS-compatible wireless network card comes with a unique WPS pin code; you can just input the code to wireless access point, and the wireless access point and wireless network card will do the rest for you. This wireless network card is compatible with WPS. To use this function, the wireless access point you wish to connect to must support WPS function too. Now, please follow the following instructions to establish secure connection between WPS-enabled wireless access point and your wireless network card: ~ 41 ~

43 3-6-1 WPS Setup - PBC (Push-Button Configuration) 1. Right-click the Ralink configuration utility icon located at lower-right corner of computer desktop, then click Launch Config Utilities. 2. Click WPS tab, and the following settings will appear: ~ 42 ~

44 3. Set Config Mode to Enrollee, and then push the WPS button on your wireless access point (the button used to activate WPS standby mode may have another name), or use other way to start WPS standby mode as the instruction given by your wireless access point s user manual. 4. Before you start to establish the wireless connection by using WPS, you can click Rescan button to search for WPS-enabled access points near you, to make sure the WPS function of your access point is activated. All access points with WPS function enabled will be displayed. Please make sure the access point you wish to connect is displayed. If not, please click Rescan few more times. You can also click Information button to see the detailed information about selected access point. ~ 43 ~

45 5. 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 (This may require several seconds to one minute to complete). When you see WPS status is connected successfully message, means the connection between your wireless network card and access point is successfully connected by WPS, and the information about access point you connected to will be displayed. Sometime WPS may fail, and you can click PBC button few more times to try again. When an access point is connected, you can click Disconnect to disconnect your wireless network card from a connected access point, or select another WPS-enabled wireless access point, then click Connect to establish connection to selected access point, if there are more than one WPS-enabled ~ 44 ~

46 access point found. You can also click Rotate button, and next access point on the list will be selected to establish connection. If you want to delete a found access point from the list, select it and click Delete button. ~ 45 ~

47 3-6-2 WPS Setup - PIN If the wireless access point you wish to connect supports PIN, please follow the following instructions to establish connection to it: 1. Right-click the Ralink configuration utility icon located at lower-right corner of computer desktop, then click Launch Config Utilities. 2. Click WPS tab, and the following settings will appear: ~ 46 ~

48 The PIN number of your wireless network card is an eight-digit number located at the upper-right position of configuration utility. Remember it, and input the number to your wireless access point as the WPS PIN code (Please refer to the user manual of your wireless access point for instructions about how to do this). Note: The PIN code of every wireless network card is DIFFERENT. Please don t use the sample code shown here. 3. Click PIN button now, and wait for few seconds to one minute. If a wireless access point with correct PIN code is found, you ll be connected to that access point: You may have to click PIN for few more times to try again. If you still can not connect to access point by this way, please make sure the PIN code you provided to access point is correct. ~ 47 ~

49 3-7. Radio on/off Radio On: Click to turn the wireless radio ON. Radio Off: Click to turn the wireless radio OFF. ~ 48 ~

50 3-8. About The About tab provides you the information about version numbers of configuration utility, firmware, and other important information about your wireless network card. If you need assistance about network problem, you ll need these values. You can also click button to go to the web site of network card driver manufacturer and get more information about your wireless network card. Please click OK to close configuration utility. ~ 49 ~

51 CHAPTER IV: Soft-AP Function Excepting become a wireless client of other wireless access points, this wireless card can act as a wireless service provider also! You can switch this wireless card s operating mode to AP mode to simulate the function of a real wireless access point by software, and all other computers and wireless devices can connect to your computer wirelessly, even share the internet connection you have! Please follow the instructions in following chapters to use the AP function of your wireless card. ~ 50 ~

52 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 you want to switch to AP mode, please right-click Ralink utility icon, and select Switch to AP Mode. After you select Switch to AP Mode, the Ralink utility icon will change: Which indicated the wireless card is operating in AP mode now. If you 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 you switch the operation mode to AP or click Launch Config Utilities after you right-click the Ralink configuration utility, which asks you to assign an existing network card with internet connection: ~ 51 ~

53 If your 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 you click Enable ICS or Not enable ICS, you ll see the basic configuration menu of the AP function: ~ 52 ~

54 Here are descriptions of every setup items: SSID identify TX Rate Please input the SSID (the name used to this wireless access point) here. Up to 32 numerical characters can be accepted here, excepting space. Please select the data transfer rate here. The maximum TX rate you can select here depends on the wireless mode you re using. It s safe to select Auto to let wireless card select a proper TX rate according to the strength and quality of radio signal. When the wireless mode is set to B/G/N Mix, TX Rate will be set to Auto and cannot be changed. ~ 53 ~

55 Channel Wireless Mode Use Mac Address Security Setting Country Region Code Please select the wireless channel you wish to use. The number of channels available here will vary depends on the setting of Country Region Code. Please select the wireless operating mode. You can limit the type of wireless client to b or g only, or allow b/g, and b/g/n clients. It s safe to select B/G/N mix to allow all kinds of wireless client to connect to your computer, unless you want to limit the type of wireless client allowed to connect to your computer. Click this button to use the MAC address of the wireless card as SSID. A prefix of AP will be added. Set the security options (wireless data encryption). Available options are 0-7, which will affect the available wireless channels you can use: 0: FCC (US, Canada, and other countries uses FCC radio communication standards) 1: ETSI (Europe) 2: SPAIN 3: FRANCE 4: MKK 5: MKKI (TELEC) 6: ISERAL (Channel 3 to 9) 7: ISERAL (Channel 5 to 13) Wireless The operating frequency channel will be restricted to the country / region user located before importing. Wireless protection will prevent data collision ~ 54 ~

56 Protection when there are both b and g clients. You can select Auto to let configuration utility to decide to use wireless protection or not. You can also select ON or OFF to force the use of wireless protection or not. Beacon(ms) Idle Time No forwarding among wireless clients Hide SSID Allow BW 40 MHz Default Apply You can define the time interval that a beacon signal should be send. Default value is 100. Do not modify this value unless you know what will be affected. Select the idle time of your wireless network card. Default value is 300. Do not modify this value unless you know what will be affected. 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 your computer. This option is useful to enhance security level. Check this box to allow BW 40MHz capability. Click this button to restore all settings in this page back to default value. Click this button to activate current settings. To exit, click X button at the upper-right corner of configuration window. ~ 55 ~

57 4-2 Security Settings 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 you wish to open your computer (and its internet connection) to the public. When you click Security Setting in Ralink configuration utility, the following window will appear: Here are descriptions of every setup items: Authentication Type Encryption Available Type Please select a wireless authentication type you wish to use. Available options are Open, Shared, WPA-PSK, WPA2-PSK, and WPA-PSK / WPA2-PSK. If you want to disable wireless data encryption, you must select Open or Shared. Please select an encryption mode. The options in this setting item will vary depending on the authentication type you select. If you select Not Use, data will not be encrypted and people with some networking knowledge will be able to read the data you transfer with proper tool. ~ 56 ~

58 Note: WPA encryption is safer than WEP, however, some older wireless clients don t support WPA encryption. WPA Pre-shared Key Group Rekey Interval Please input the WPA pre-shared key here. Only clients with the same pre-shared key you inputted here will be able to connect to your computer. This setting is only available when you select one of WPA encryptions. You can specify the time interval to re-issue the key to your wireless clients here. You 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 you specified in Group Rekey Interval field) Wep Key Please input the WEP encryption key here #1 ~ #4 when you select WEP as encryption type. 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 you selected. If you want to use WEP 64 bits encryption, please input 10 characters if you select HEX, or input 5 characters if you select ASCII; If you want to use WEP 128bits encryption, please input 26 characters if you select HEX, or input 13 characters if you select ASCII. 128 bits encryption is safer then 64 bits, but the data transfer speed will be slightly reduced. Show Password Check this box and the WPA pre-shared key or WEP key you inputted will be shown, but not ~ 57 ~

59 replaced by asterisk (*). OK Cancel Click this button to save changes you made in this page. Click this button to discard all changes you made in this window. ~ 58 ~

60 x Setting 802.1x is used for authentication of the "WPA" and "WPA2" certificate by the server. Authentication type: PEAP: Protect Extensible Authentication Protocol. PEAP transport securely authenticates data by using tunneling between PEAP clients and an authentication server. PEAP can authenticate wireless LAN clients using only server-side certificates, thus simplifying the implementation and administration of a secure wireless LAN. TLS/Smart Card: Transport Layer Security. Provides for certificate-based and mutual authentication of the client and the network. It relies on client-side and server-side certificates to perform authentication and can be used to dynamically generate user-based and session-based WEP keys to secure subsequent communications between the WLAN client and the access point. TTLS: Tunneled Transport Layer Security. This security method provides for certificate-based, mutual authentication of the client and network through an encrypted channel. Unlike EAP-TLS, EAP-TTLS requires only server-side certificates. ~ 59 ~

61 EAP-FAST: Flexible Authentication via Secure Tunneling. It was developed by Cisco. Instead of using a certificate, mutual authentication is achieved by means of a PAC (Protected Access Credential) which can be managed dynamically by the authentication server. The PAC can be supplied (distributed one time) to the client either manually or automatically. Manually, it is delivered to the client via disk or a secured network distribution method. Automatically, it is supplied as an in-band, over the air, distribution. For tunnel authentication, only support "Generic Token Card" authentication. LEAP: Light Extensible Authentication Protocol is an EAP authentication type used primarily by Cisco Aironet WLANs. It encrypts data transmissions using dynamically generated WEP keys, and supports mutual authentication. MD5-Challenge: Message Digest Challenge. Challenge is an EAP authentication type that provides base-level EAP support. It provides for only one-way authentication - there is no mutual authentication of wireless client and the network. Session Resumption: The user can choose "Disable" and "Enable". Tunnel Authentication: Protocol: Tunnel protocol, List information include "EAP-MSCHAP v2", "EAP-TLS/Smart card", "Generic Token Card", "CHAP", "MS-CHAP", "MS-CHAP-V2", "PAP" and "EAP-MD5". Tunnel Identity: Identity for tunnel. Tunnel Password: Password for tunnel. ~ 60 ~

62 ID \ PASSWORD: Authentication ID/Password: The identity, password and domain name for server. Only "EAP-FAST" and "LEAP" authentication can key in domain name. Domain names can be keyed in the blank space. Tunnel ID/Password: Identity and Password for the server. Client Certification: Use Client certificate: Client certificate for server authentication. EAP Fast ~ 61 ~

63 Allow unauthenticated provision mode: During the PAC can be provisioned (distributed one time) to the client automatically. It only supported "Allow unauthenticated provision mode" and use "EAP-MSCHAP v2" authentication to authenticate now. It causes to continue with the establishment of the inner tunnel even though it is made with an unknown server. Use protected authentication credential: Using PAC, the certificate can be provided to the client manually via disk or a secured network distribution method. Server Certification: Certificate issuer: Select the server that issues the certificate. Allow intermediate certificates: It must be in the server certificate chain between the server certificate and the server specified in the "certificate issuer must be" field. Server name: Enter an authentication sever root. ~ 62 ~

64 4-4 Access Control If you re not going to open your computer and wireless resources to the public, you can use MAC address filtering function to enforce your access control policy, so only wireless clients with MAC address you defined by this function can be connected to your software access point. Please follow the following instructions to set access control based on MAC address: 1. Right-Click Ralink configuration utility icon, and select Launch Config Utilities 2. Click Access Control tab, and the following messages will appear: ~ 63 ~

65 Here are descriptions of every setup items: Access Policy Select the policy type of your access rule: 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. MAC address Add Delete Click Remove All Apply Reject All: Reject wireless clients with MAC address listed here to be connected to this access point. Input the MAC address of the wireless client you 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. Please select a MAC address from the list, then Delete button to remove it. Delete all MAC addresses in the list. Save and apply changes you made. ~ 64 ~

66 4-5 Connection table If you want to see the list of all wireless clients connected to this access point, please follow the following instructions: 1. Right-Click Ralink configuration utility icon, and select Launch Config Utilities 2. Click Mac Table tab, and a list containing all connected wireless clients will appear: ~ 65 ~

67 Here are descriptions of every fields: MAC Address client. AID Power Saving Mode Status mode Displays the MAC address of this wireless The serial number of this wireless connection. Displays the capability of power-saving function of this wireless client. Displays additional information of this wireless Connection, like current wireless operating and data transfer rate. ~ 66 ~

68 4-6 Event Log This software access point will log all wireless-related activities as a log. You can follow the following instructions to view the content of the event log: 1. Right-Click Ralink configuration utility icon, and select Launch Config Utilities 2. Click Event Log tab, and the event log will be displayed: You can click Clear to remove all entries in the log. ~ 67 ~

69 4-7 Statistics If you want to know detailed information about how your software access point works, you can follow the following instructions to view the statistics of the access point: 1. Right-Click Ralink configuration utility icon, and select Launch Config Utilities 2. Click Statistics tab, and the event log will be displayed: You can click RESET COUNTERS button to reset all counters to zero. ~ 68 ~

70 CHAPTER IIV: APPENDIX 5-1 Hardware Specification Standards: IEEE n/g/b Interface: USB 2.0 (USB 1.1 Compatible) Frequency Band: ~ GHz (Industrial Scientific Medical Band) Data Rate: 11b: 1/2/5.5/11Mbps 11g: 6/9/12/24/36/48/54Mbps 11n (20MHz): MCS0-15, 32 with Half Guard Interval Support (up to 144Mbps) 11n (40MHz): MCS0-15, 32 with Half Guard Interval Support (up to 300Mbps) Securities: WEP 64/128, WPA, WPA2, Cisco CCX Support Antenna: Internal 2 Antennas with Two TX and Two RX Drivers: Windows 2000/XP/2003/Vista Server/7 LEDs: Link/Activity Temperature: 32~131 F (0 ~ 55 C) Humidity: 10-95% (NonCondensing) Certification: FCC, CE ~ 69 ~

71 5-2 Troubleshooting If you encounter any problem when you re using this wireless network card, don t panic! Before you call your dealer of purchase for help, please check this troubleshooting table, the solution of your problem could be very simple, and you can solve the problem by yourself! Scenario I can t find any wireless access point / wireless device in Site Survey function. Nothing happens when I click Launch config utilities Solution 1. Click Rescan for few more times and see if you can find any wireless access point or wireless device. 2. Please move closer to any known wireless access point. 3. Ad hoc function must be enabled for the wireless device you wish to establish a direct wireless link. 4. Please adjust the position of network card (you may have to move your computer if you re using a notebook computer) and click Rescan button for few more times. If you can find the wireless access point or wireless device you want to connect by doing this, try to move closer to the place where the wireless access point or wireless device is located. 1. Please make sure the wireless network card is inserted into your computer s USB port. If the Ralink configuration utility s icon is black, the network card is not detected by your computer. 2. Reboot the computer and try again. 3. Remove the card and insert it into another USB port. 4. Remove the driver and re-install. 5. Contact the dealer of purchase for help. ~ 70 ~

72 I can not establish connection with a certain wireless access point The network is slow / having problem when transferring large files 1. Click Connect for few more times. 2. If the SSID of access point you wish to connect is hidden (nothing displayed in SSID field in Site Survey function), you have to input correct SSID of the access point you wish to connect. Please contact the owner of access point to ask for correct SSID. 3. You 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. 4. The access point you wish to connect 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 your network card to his / her access point s list. 1. Move closer to the place where access point is located. 2. Enable Wireless Protection in Advanced tab. 3. Try a lower TX Rate in Advanced tab. 4. Disable Tx Burst in Advanced tab. 5. Enable WMM in QoS tab if you need to use multimedia / telephony related applications. 6. Disable WMM Power Save Enable in QoS tab. 7. There could be too much people using the same radio channel. Ask the owner of the access point to change the channel number. Please try one or more solutions listed above. ~ 71 ~

73 5-3 Glossary 1. What is the IEEE g standard? g is the new IEEE standard for high-speed wireless LAN communications that provides for up to 54 Mbps data rate in the 2.4 GHz band g is quickly becoming the next mainstream wireless LAN technology for the home, office and public networks g defines the use of the same OFDM modulation technique specified in IEEE a for the 5 GHz frequency band and applies it in the same 2.4 GHz frequency band as IEEE b. The g standard requires backward compatibility with b. The standard specifically calls for: A. A new physical layer for the 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 b including CCK for 11 and 5.5 Mbps and Barker code modulation for 2 and 1 Mbps. B. A protection mechanism called RTS/CTS that governs how g devices and b devices interoperate. 2. What is the IEEE b standard? The IEEE b Wireless LAN standard subcommittee, which formulates the standard for the industry. The objective is to enable wireless LAN hardware from different manufactures to communicate. ~ 72 ~

74 3. What does IEEE feature support? The product supports the following IEEE functions: CSMA/CA plus Acknowledge Protocol Multi-Channel Roaming Automatic Rate Selection RTS/CTS Feature Fragmentation Power Management 4. What is Ad-hoc? An Ad-hoc integrated wireless LAN is a group of computers, each has a Wireless LAN card, Connected 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 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 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 i WLAN security standard, and the specification might be officially released by early ~ 73 ~

75 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, wherever and however communicated or stored, while making more efficient use of hardware and/or software than previous encryption standards. It is also included in IEEE i 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? And 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 ~ 74 ~

76 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. 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 e 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 ~ 75 ~