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AirLive WN-5000USB User`s Manual

1. Encryption Select the encryption type of the wireless access point or wireless device you wish to connect If you re adding a profile from an existing access point or wireless device the value will be selected automatically and please do not modify it WPA Input WPA preshared key here If encryption is not enabled or you select WEP as Preshared Key encryption type this field will be disabled and grayed out Wep Key You can select key type Hex or ASCII and input WEP key here If encryption is not enabled or you select WPA as encryption type this field will be disabled and grayed out Show Password Check this box and all passphrases or security keys you inputted will be displayed as you type but not replace your input with asterisk WN 5000 USB User s Manual 24 Use 802 1x Enable 802 1x wireless authentication Please click 802 1x Setting button to set 802 1x parameters See next section After you finish all settings click OK to save settings and exit The profile you just created will be displayed Profile Link Status Site Survey Statistics Advanced QoS About Profile List Profile Name SSID Authentication Encryption Bu acc CRL ee EE Oe AER lee goe Wnfrastrictum OFFICE_ office Auto WPA PSK TKIP Infrastructure ener D teow any Add Delete Edit Activate Se See eem un eneept fe eg OK Help Select the profile you wish to use
2. WN 5000 USB User s Manual 13 Please enter SSID If the wireless access point uses encryption you have to input WEP passphrase or WPA preshared key Please ask the owner of the wireless access point you want to connect and input the correct passphrase preshared key here then click OK If the value you inputted here is wrong you will not be able to connect to this wireless access point Authentication type is selected automatically please don t change it If the access point you selected does not enable encryption and does not require authentication please skip this step Authentication and Security Authentication Type Encryption WPA Preshared Key of Af e ae een E 1 E etene meen lt lt y Cancel eo AES nennen I Show Password 6 You ll see Connected lt gt SSID SSID is the SSID of the wireless access point or wireless device you connected to message displayed at lower left corner of configuration utility congratulations you re successfully connected to the access point or wireless device you selected WN 5000 USB User s Manual 14 Profile Link Status Site Survey Statistics Advanced QoS About default 00 DE 2E 44 6B 01 76 1 Unknown 00 07 40 FE 60 7E 44 4 WPA PSK Connected lt gt defaut connect _ Add to Profile 8 You can put the mouse cursor over the AirLive Wireless
3. Appendix issis aasian a iaar asara aiioa iig aa aiiai arig aisi 39 3 1 Hardware Specification i ccistccedsctvcsatcae costae Ee enee eeh ds eege 39 3 2 Troubleshooting WEE 40 Ee EE 42 WN 5000 USB User s Manual Chapter 1 Product Information 1 1 Introduction and safety information Thank you for purchasing this high speed 802 11b g N wireless network adapter Excepting common wireless standards 802 11b g this wireless network adapter is also 802 11 N compatible data transfer rate is 300Mbps and that s six times faster than 802 11g wireless network 802 11 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 adapter also supports MIMO Multi In Multi Out technology which uses three different radio channels to enhance data transfer rate and wireless coverage With easy to install USB interface a very common expansion slot of desktop computers and Plug and Play technology even inexperienced computer user can get this wireless network adapter installed on his or her computer in just few minutes All you have to do is shutdown the computer and remove the cover then insert the wireless network adapter into any empty USB slot that s all 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 802 11b g N com
4. and click Activate to use the profile you selected You can only activate a profile a time and the profile which is activated currently will have a check Ba before its name If you want to change the connection parameters of a specific profile just select it and click Edit button you ll be prompted to input the connection parameters just like you re creating a new profile If you no longer need a profile select the profile then click Delete WN 5000 USB User s Manual 25 2 3 2 Using 802 1x Certification After you click 802 1x Setting a new windows will appear 802 1x Setting Certification EI Server Authentication Type Session Resumption Disabled DI Identity word Domain Name IT Use Client certificate Vv Ei gess Protocol EAP MSCHAP v2 D Identity Password Tunneled Authentication Here are descriptions of every setup items Authentication Please select an 802 1x authentication type here The type you select here must be Type identical to the type of the 802 1x authentication type you re using Session You can enable or disable session resumption here If you don t know if you should Resumption enable session resumption or not please ask your 802 1x authentication administrator Identity Please input 802 1x identity here Password Please input the password of 802 1x identity here Domain Name Please input the domain name of 802 1x authen
5. LI NO CH BG RO TR Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experienced radio technician for help FCC Caution This device and its antenna must not be co located or operating in conjunction with any other antenna or transmitter This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must
6. Position Title Vice President Date 2007 5 9 Stamp WN 5000USB CE Declaration Statement Country Declaration Declaration cs OvisLink Corp timto prohlaSuje Ze tento WN Cesky Czech 5000USB je ve shod se z kladn mi po adavky a dal mi p slu n mi ustanoven mi sm rnice 1999 5 ES da Undertegnede OvisLink Corp erkl rer herved Dansk Danish jat f lgende udstyr WN 5000USBoverholder de v sentlige krav og vrige relevante krav i direktiv 1999 5 EF de Hiermit erkl rt OvisLink Corp dass sich das Deutsch Ger t WN 5000USBin bereinstimmung mit den Malti Maltese German grundlegenden Anforderungen und den brigen einschl gigen Bestimmungen der Richtlinie 1999 5 EG befindet et K esolevaga kinnitab OvisLink Corp seadme hu Eesti Estonian WN 5000USB vastavust direktiivi 1999 5 EU Magyar p hin uetele ja nimetatud direktiivist tulenevatele Hungarian teistele asjakohastele s tetele en Hereby OvisLink Corp declares that this WN pl English 5000USB is in compliance with the essential Polski Polish requirements and other relevant provisions of Directive 1999 5 EC iuo OvisLink Corp deklaruoja kad is WN 5000USB atitinka esminius reikalavimus ir kitas 1999 5 EB Direktyvos nuostatas Hierbij verklaart OvisLink Corp dat het toestel WN 5000USB in overeenstemming is met de essenti le eisen en de andere relevante bepalingen van richtlijn 1999 5 EG Hawnhekk OvisLink Corp
7. The product supports the following IEEE 802 11 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 adapter 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 WN 5000 USB User s Manual 42 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 802 111 WLAN security standard and the specification might be officially released by early 2003 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 i
8. accept any interference received including interference that may cause undesired operation Any changes or modifications not expressly approved by the party responsible for compliance could void the authority to operate equipment Federal Communication Commission FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure set forth for an uncontrolled environment In order to avoid the possibility of exceeding the FCC radio frequency exposure limits human proximity to the antenna shall not be less than 20cm 8 inches during normal operation The antenna s used for this transmitter must not be co located or operating in conjunction with any other antenna or transmitter WN 5000 USB User s Manual R amp TTE Compliance Statement This equipment complies with all the requirements of DIRECTIVE 1999 5 EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL of March 9 1999 on radio equipment and telecommunication terminal Equipment and the mutual recognition of their conformity R amp TTE The R amp TTE Directive repeals and replaces in the directive 98 13 EEC Telecommunications Terminal Equipment and Satellite Earth Station Equipment As of April 8 2000 Safety This equipment is designed with the utmost care for the safety of those who install and use it However special attention must be paid to the dangers of electric shock and static electricity when working with electrical equipment All guidelines of this
9. and of the computer manufacture must therefore be allowed at all times to ensure the safe use of the equipment EU Countries Intended for Use The ETSI version of this device is intended for home and office use in Austria Belgium Denmark Finland France Germany Greece Ireland Italy Luxembourg the Netherlands Portugal Spain Sweden and the United Kingdom The ETSI version of this device is also authorized for use in EFTA member states Iceland Liechtenstein Norway and Switzerland COPYRIGHT Copyright 2007 by OvisLink Corp All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of this company OvisLink Corp makes no representations or warranties either expressed or implied with respect to the contents hereof and specifically disclaims any warranties merchantability or fitness for any particular purpose Any software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not this company its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software Further this company reserv
10. jiddikjara li dan WN 5000USB jikkonforma mal ti ijiet essenzjali u ma provvedimenti o rajn relevanti li hemm fid Dirrettiva 1999 5 EC Alul rott OvisLink Corp nyilatkozom hogy a WN 5000USB megfelel a vonatkoz alapvet k vetelm nyeknek s az 1999 5 EC ir nyelv egy b el r sainak Niniejszym OvisLink Corp o wiadcza e WN 5000USB jest zgodny z zasadniczymi wymogami oraz pozosta ymi stosownymi postanowieniami Dyrektywy 1999 5 EC es Por medio de la presente OvisLink Corp declara pt Espa ol que el WN 5000USBcumple con los requisitos Portugu s Spanish esenciales y cualesquiera otras disposiciones Portuguese aplicables o exigibles de la Directiva 1999 5 CE OvisLink Corp declara que este WN 5000USBest conforme com os requisitos essenciais e outras disposi es da Directiva 1999 5 CE el ME THN MAPOYZA OvisLink Corp AHAQNEI jsl EAAnvikn Greek OTI WN 5000USB 2YMMOP ONETAI NPOZ Slovensko TI OYZIOAEIZ ANAITHZEIZ KAI TIZ AOINE Slovenian ZXETIKEZ AIATA EI2 TH2 OAHMAZ 1999 5 EK OvisLink Corp izjavija da je ta WN 5000USB v skladu z bistvenimi zahtevami in ostalimi relevantnimi doloGili direktive 1999 5 ES fr Par la pr sente OvisLink Corp d clare que Fran ais French l appareil WN 5000USB est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 1999 5 CE it Con la presente OvisLink Corp dichiara che Italiano Italian questo WN 5000U
11. 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 WN 5000 USB User s Manual 44
12. of computer desktop then click Launch Config Utilities 2 Click Link Status tab and information about current wireless connection will be displayed Profile Link Status Site Survey Statistics Advanced QoS About Status Bai BEEN Extra Info link is Up TxPower100 O Channel 1 lt gt 2412 KHz central channel 3 Link Speed Tx Mbps DD fe Mbps 1 0 Throughput Tx Kbps 16 8 Rx Kbps 30 3 100 Good sede Ty Normal 60 T dBm ode DRRRRRRRRRRRDR Normal 55 Sona er BRBRBRRRSRERSR Low 26 Nose level MF EN A E HT BW n a Gi n a STBC n a MCS n a SNRO n a SNR1 n a WN 5000 USB User s Manual These information displayed here are updated every second and here are descriptions of every item Status Extra Info Channel Link Speed Throughput Link Quality Signal Strength 1 Signal Strength 2 Noise Level dBm Display the SSID and BSSID of connected wireless access point or wireless device displayed as SSID lt gt BSSID as shown in above picture If there s no active connection currently Disconnected will be displayed here Displays the link status Link is up or Link is down and the radio transmitting power of your network adapter Displays the radio channel being used now Displays the link speed of data transmitting Tx in Mbps and receiving Rx in Mbps Link speed is the maximum available data
13. transfer speed of the wireless connection and depends on the radio signal quality of wireless connection Displays the rate of data transmitting Tx in Kbps and receiving Rx in Kbps Displays link quality radio signal quality When the link quality is better the wireless link speed will be better too Link quality is displayed by percentage and a descriptive word Good normal weak and low Displays radio signal strength 1 Displays radio signal strength 2 Displays the percentage or level of noise unusable signal If the value of this item is high data transfer rate will drop Check this box and the value of signal strength and noise level will be displayed in dBm level instead of percentage There are several wireless statuses available at the bottom of this window For their explanations please see chapter 4 3 Glossary WN 5000 USB User s Manual 32 2 5 Advanced Settings This wireless network adapter provides several advanced settings for experienced wireless users You can change these settings to increase data transfer performance or change operation mode Please follow the following instructions to set advanced wireless settings 1 Right click the AirLive Wireless configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities Click Advanced tab and the following settings will appear Profile Link Status Site Survey Statist
14. you can configure your wireless network adapter to connect to wireless access point using the AirLive Wireless configuration utility which comes with wireless adapter driver and using built in windows zero configuration utility 2 2 1 Using AirLive Wireless Utility Please follow the following instructions to use AirLive Wireless configuration utility to connect to wireless access point 1 Right click the AirLive Wireless 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 If you still can not see the access point you wish to use after clicking Rescan for more than five times please move your computer closer to the location where the wireless access point is or see instructions in chapter 3 2 Troubleshooting WN 5000 USB User s Manual AirLive 802 11N Wireless Utility Profile Link Status Site Survey Statistics Advanced QoS
15. About Profile List Profile Name SSID Channel Authentication Encryption Network T 147 Auto WPA2 PSK AES Tips Wireless access point Infrastructure is a network device which acts as a bridge to let wired and wireless network devices communicate with each other AdHoc is another connection type A computer or network device can build a direct wireless link with other computer or network device directly without the help of wireless access point OK HELP Here are descriptions of every fields SSID The Service Set IDentifier of wireless access point or other network device You can think it as the name of access point of wireless device BSSID The MAC address of wireless access point or other network device Unlike SSID BSSID of every access point or network device is unique and will not be the same with others So you can identify a single access point or wireless device from others by BSSID if they all have the same SSID Signal Shows the signal strength of access point or wireless device Larger number means better radio strength which often means you re not too far from that access point or wireless device Channel Shows the channel number that access point or wireless device uses Encryption Shows the encryption method that access point or wireless device uses If the wireless access point does not enable encryption you ll see None displayed here WN 5000 USB User s Ma
16. EN a e Air Live 802 11n Wireless LAN USB Adapter User s Manual Declaration of Conformity We Manufacturer Importer OvisLink Corp SF NO 6 Lane 130 Min Chuan Rd Hsin Tien City Taipei County Taiwan Declare that the product 802 11n Wireless USB Adapter WN 5000USB is in conformity with In accordance with 89 336 EEC EMC Directive and 1999 5 EC R amp TTE Directive Clause Description WEN 300 328 V1 7 1 Electromagnetic compatibility and Radio spectrum Matters ERM 2006 05 Wideband transmission equipment operating in the 2 4GHz ISM band And using spread spectrum modulation techniques Part 1 technical Characteristics and test conditions Part2 Harmonized EN covering Essential requirements under article 3 2 of the R amp TTE Directive WEN 301 489 1 V1 5 1 Electromagnetic compatibility and Radio spectrum Matters ERM 2004 11 Electromagnetic compatibility EMC standard for radio equipment and WEN 301 489 17 V1 2 1 Services Part 17 Specific conditions for wideband data and 2002 08 HIPERLAN equipment m EN 50371 2002 Generic standard to demonstrate the compliance of low power Electronic and electrical apparatus with the basic restrictions related to human exposure to electromagnetic field 10MHz 300GHz General public WEN 60950 1 2001 Safety for information technology equipment including electrical business equipment MCE marking CEO Manufacturer Importer Signature Weil H r C Name
17. However wireless compatibility is not guaranteed in this mode If you want to use this mode you may not be able to WN 5000 USB User s Manual 8 communicate with older wireless devices and wireless access point such as 802 11b devices but the data transfer rate will be enhanced in this mode You can select this mode when you only plan to communicate with 802 11 N devices If you want to keep compatibility and communicate with older wireless devices please select Optimize for WiFi Mode When you select one mode please click Next gt to continue If you see Found New Hardware message again please ignore it and wait kirLive 802 11N Wireless Network C Choose Configuration Tool Select Configuration Tool AirLive 802 11N Configuration Tool Microsoft Zero Configuration Tool InstallShield Setup Status InstallShield WN 5000 USB User s Manual 7 Anew 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 adapter will be displayed as a popup balloon Launch Config Utilities Use AirLiveConfig as Configuration utility 10 55 AM 8 When you want to configure your wireless connection please right click on this icon and a popup menu will appear You can click Launch Config Utilities to start configuration program WN 5000 USB User s Manual 2 2 Connect to Wireless Access Point There are two ways
18. SB conforme ai requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 1999 5 CE Iv Ar o OvisLink Corp deklar ka WN 5000USB un citiem ar to saistitajiem noteikumiem sv H rmed intygar OvisLink Corp att denna WN no Svenska 5000USB star 6verensstammelse med de Swedish v sentliga egenskapskrav och vriga relevanta best mmelser som framg r av direktiv 1999 5 EG Suomi Finnish Latviski Latvian atbilst Direkt vas 1999 5 EK b tiskaj m pras b m slenska Icelandic Norsk Norwegian OvisLink Corp t mto vyhlasuje e WN 5000USB sp a z kladn po iadavky a v etky pr slu n ustanovenia Smernice 1999 5 ES OvisLink Corp vakuuttaa t ten ett WN 5000USB tyyppinen laite on direktiivin 1999 5 EY oleellisten vaatimusten ja sit koskevien direktiivin muiden ehtojen mukainen H r me l sir OvisLink Corp yfir pvi a WN 5000USB er samr mi vi grunnkr fur og a rar kr fur sem ger ar eru tilskipun 1999 5 EC OvisLink Corp erkl rer herved at utstyret WN 5000USB er i samsvar med de grunnleggende krav og vrige relevante krav i direktiv 1999 5 EF A copy of the full CE report can be obtained from the following address OvisLink Corp 5F No 6 Lane 130 Min Chuan Rd Hsin Tien City Taipei Taiwan R O C This equipment may be used in AT BE CY CZ DK EE FI FR DE GR HU IE IT LV LT LU MT NL PL PT SK SI ES SE GB IS
19. an not be authenticated and you can provide this information to authentication server s administrator for debugging purpose Enable Cisco Compatible eXtensions CCX is a wireless feature developed by 34 Turn on CCKM Enable Radio Measurement Non Serving Channel Measurements Limit milliseconds Cisco used to improve the wireless performance with CCX compatible wireless devices Check this box if you need to connect to CCX compatible wireless devices 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 When you re connecting to CCX compatible access point check this box to enable radio measurement function to improve wireless connectivity When you re connecting to CCX compatible access point check this box to enable measurement on unused radio channels to improve wireless connectivity Limit the time used for said measurement to a certain time Default value is 250 After you finish the settings click Apply to apply new settings and click OK to close configuration utility WN 5000 USB User s Manual ER 2 6 QoS Setting This wireless network adapter provides QoS Quality of Service function which can improve the performance of certain network applications like audio video streaming network telephony VoIP and others When you enable WMM Wi Fi MultiMedia function of th
20. configuration utility icon and the brief information about link status and signal strength of current wireless connection will be shown as a popup balloon Ralink Wireless LAN Card Status Good default eist 757 PM WN 5000 USB User s Manual 15 2 2 2Using 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 AirLive Wireless configuration utility icon and select Use Zero Configuration as Configuration utility Launch Config Utilities infig as Configuration utility 10 55 AM 2 Click Start button should be located at the bottom left corner of windows desktop click Control Panel then click Network and Internet in Control Panel arm gO gt Control Panel gt gt 1 D Control Panel Home S SE System and Maintenance User Accounts and Family icc cha Get started with Windows Safety Back up your computer Set up parental controls for any user Add or remove user accounts Security Check for updates Appearance and Check this computer s security status Personalization Allow a program through Windows Change desktop background Customize colors e e 2 Adjust screen resolution Network and Internet e View network status and tasks Set up file sharing ET KI Clock La
21. eless signal quality However you can fix the data transfer rate to a lower fixed rate if you think there s some problem about data transfer or kou re too far from wireless access point It s recommended to set this setting to Auto unless you really know the meaning of this setting Check this box to accelerate the data transmit rate It may not work with all wireless access point and wireless devices Check this box and the configuration utility will adjust TCP window size automatically to get better performance It should be safe for most of wireless environments but if you found some problem on data transfer uncheck this box Check this box and you can adjust the threshold of when this wireless network adapter should switch to another wireless access point with better signal quality Only adjust value when you understand what it means Click this button to switch wireless radio off click it again switch wireless radio on Select the country region code of the place you re living Different country region has different regulations on wireless devices and it s forbidden to use certain channel radio frequency in some countries or regions Please select the country and region code according to the place you live When your computer is being authenticated by wireless authentication server a dialog window with the process of authentication will appear This function is helpful to find out the problem when you c
22. es the right to revise this publication and to make changes from time to time in the contents thereof without obligation to notify any person of such revision or changes WN 5000 USB User s Manual Table of Contents Chapter 1 Product Information svi veeesuuEEENKEUEERNEERNEEEEEEUEEEUEESNEESEEEEEEEKEEENERSKEKSEEEEEREUEKOENEN 4 1 1 Introduction and safety information cc ceccceesceesceseceecsseeseeeseseeeeseceaecseeeseesseseeseeesaes 4 1 2 Safety INformations se e ot e ae aao et e a e S 5 1 3 System ele ne EE 6 1 4 Package Contents yscsscsacrarvascisesssercrndonsaacesovrateisusvandeS R REEE enamine 6 1 5 Familiar with your new wireless network adapter 6 Chapter 2 Driver Installation and Configuration ccccccsssessseeeeeeeeeeeeeeeeeeseeeeeeeeeees 7 2 1 Network Adapter Installation EE 7 2 2 Connect to Wireless Access Point esesessesesesessesessestsesesesessesesestesesesseseseseesesesses 11 2 2 1 Using AirLive Wireless Utility cccscccesscssescsssesssersesereteneeseeoseesssersenesencrseenees 11 2 2 2 Using Windows Zero Confguraton 16 2 3 Connection Profile Management 20 2 3 1 Make a profile for an access point or wireless device ee eeeeeseeteeeteereeees 20 2 3 2 Using 802 1x EH 26 2 3 3 Using 802 1x CA EENEG eege erte ee 28 2 4 View Network Statistics and Link Status 29 2 4 1 Network Statistics E 29 2 5 Advanced SC dl Le EE 33 2 0 QOS SS ULI EE 36 2 ABDOU onnea a eet 38 Chapter 3
23. he box and you can set fragment threshold Threshold manually here Do not modify default setting unless you know what it is Now click Authentication and Security tab and set the encryption and authentication settings Add Profile Configuration Authentication and Security Authentication Type Shared D Use 802 1x 02 1 Settit Encryption None DI WPA Preshared Key Wep Key e Key 1 Hex C Key 2 Hex C Key 3 Hex C Key 4 Hex v WEP 64 Bits Encryption Please Keyin 10 HEX characters or 5 ASCII characters WEP 128 Bits Encryption Please Keyin 26 HEX characters or 13 ASCII characters Show Password Here are descriptions of every setup items Authentication Select the authentication type of the wireless access point or wireless device you wish Type to connect If you re adding a profile from an existing access point or wireless device the value will be selected automatically and please do not modify it WN 5000 USB User s Manual 23 If you select LEAP the following message will be displayed Please input LEAP identity password domain name and select encryption type You can check Show Password box so the password you inputted will be displayed as you type but not replace by asterisk Add Profile Configuration Authentication and Secunty Authentication Type LEAP Identity Password Domain Name WEP WPA TKIP C WPA2 AES Show Password
24. he password mode of EAP FAST authentication mode This setting is hidden when the authentication type is not EAP FAST After you finish all settings click OK to save settings and exit WN 5000 USB User s Manual 27 2 3 3 Using 802 1x CA Server If you want to use CA server please click CA Server tab And the following message will be displayed Here are descriptions of every setup items Use certificate Check this box to enable the use of certificate chain chain Certificate Please select the issuer of certificate from this dropdown menu Issuer Allow Check this box if you wish to allow intermediate certificates intermediate certificates Server name Input the server name of CA server here Server name Check this box and the wireless configuration utility will check if the server name of CA must match server you set here is exactly matched with the CA server connected to If they don t exactly match connection will be dropped Domain name Check this box and the wireless configuration utility will check the end of domain name must end If there s anything wrong connection will be dropped in specified name After you finish all settings click OK to save settings and exit WN 5000 USB User s Manual 28 2 4 View Network Statistics and Link Status The configuration utility provides information about network statistics and link status If you want to know how your wireless networ
25. hip 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 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 WN 5000 USB User s Manual 43 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 priori
26. ics Advanced QoS About Wireless mode 802 11 B G mix Select Your Country Region Code Wireless Protection Auto DI 11 B G lo CH1 11 D TX Rate Auto e f Tx BURST Show Authentication Status Dialog Enable TCP Window Size Enable CCX Cisco Compatible eXtensions Tu IT Fast Roaming at 70 d C En w Tum off RF Sg one Here are descriptions of every setup items Wireless mode Select wireless operation mode available options are 802 11 B G mix 802 11 B only and 802 11 B G N mix You can select 802 11 B G N mix to maximize wireless compatibility with wireless access points and other wireless devices WN 5000 USB User s Manual 33 Wireless Protection TX Rate Tx BURST Enable TCP Window Size Fast Roaming at Turn off RF Select Your Country Region Code Show Authentication Status Dialog Enable CCX WN 5000 USB User s Manual Anyway you can set this setting to 802 11 B only when you re going to communicate with old 802 11b wireless devices and you got problem using other two modes This setting helps your network adapter to avoid interference with other wireless devices when there are both 802 11b and 802 11g wireless devices in the same place It s recommended to set this setting to Auto since enabling this setting will slightly reduce the data transfer performance Normally the wireless network adapter will adjust transfer rate automatically according to wir
27. ig Utilities 2 There are two ways to add a new connection profile Create a new profile or Add a profile from an existing wireless access point or wireless device If you want to click new profile click Profile tab then click Add button oosun ai De f Profile Link Status Site Survey Statistics Advanced QoS About 4 Z enn Probe List Profile Name SSID Channel_ Authentication Encryption _ Network Ty enen or ep 1 Add R Delete Edit Activate begiert A e ote D Prd a LU Drassenesxeeeeg WN 5000 USB User s Manual 20 Or you can add a connected wireless access point or wireless device to a profile by clicking Site Survey tab then click Add to Profile button Profile Link Status Site Survey Statistics Advanced QoS About d lle p Connected lt gt default Rescan Connect d Add to Profile 7 Sse a fe a You can set the parameter for this connection here WN 5000 USB User s Manual 21 Add Profile PSM Configuration Authentication and Securty Profile Name PROF1 SSID z CAM Constantly Awake Mode PSM Power Saving Mode Network Type Infrastructure I RTS Threshold Fragment Threshold 256 Here are descriptions of every setup items Profile Name SSID PSM Power Saving Mode Network Type TX Power WN 5000 USB User s Manual P
28. is network adapter you can define the priority of different kinds of data to give higher priority to applications which require instant responding Therefore you can improve the performance of such network applications Please follow the following instructions to set advanced wireless settings 1 Right click the AirLive Wireless configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities Click Advanced tab and the following settings will appear Profile Link Status Site Survey Statistics Advanced QoS About V WMM Enable Apply Iw WMM Power Save Enable Setting Direct Link Setup Enable Apply Direct Link Direct Link Setup MAC Address Ble inl elie Timeout Value 60 sec DLS Status Aen Ay i ap Tear Down OK Help Here are descriptions of every setup items WMM Enable Check this box to enable WMM function Please click Apply button on the right of this check box after you check or uncheck this box so corresponding settings in WN 5000 USB User s Manual 36 WMM Power Save Enable Setting Direct Link Setup Enable MAC Address Timeout Value Tear Down this window will be activated or deactivated respectively Enable WMM power saving mode to save energy and lets your battery live longer Click this button to select the WMM data type which will suppress the function of power saving When this
29. k adapter works you can use these functions to get detailed information about the wireless connection you re using 2 4 1 Network Statistics Please follow the following instructions to check network statistics 1 Right click the AirLive Wireless configuration utility icon located at lower right corner of computer desktop then click Launch Config Utilities Launch Config Utilities Use AirLiveConfig as Configuration utility 10 55 AM 2 Click Statistics tab and the statistics of wireless connection will be displayed WN 5000 USB User s Manual 29 Profile Link Status Site Survey Statistics Advanced QoS About r Transmit Statistics Frames Transmitted Successfully 128 Frames Fail To Receive ACK After All Retries 34 RTS Frames Successfully Receive CTS 0 RTS Frames Fail To Receive CTS 0 Frames Retransmitted Successfully 128 r Receive Statistics Frames Received Successfully 0 Frames Received With CRC Error 698 Frames Dropped Due To Out of Resource 0 Duplicate Frames Received 0 All connection related statistics is displayed here You can click Reset Counter to reset the statistics of all items back to 0 Click OK to close the window WN 5000 USB User s Manual 30 2 4 2 Link Status Please follow the following instructions to check network statistics 1 Right click the AirLive Wireless configuration utility icon located at lower right corner
30. kind of data is transferring power saving function will be disabled Available data types are AC_BK Background Low Priority AC_BE Best Effort AC_VI Video First and AC VO Voice First Enable or disable direct link setup DLS function This function will greatly improve the data transfer rate between WMM enabled wireless devices Please click Apply button on the right of this check box after you check or uncheck this box so corresponding settings in this window will be activated or deactivated respectively Input the MAC address of another WMM enabled wireless device you wish to establish a direct link here then click Apply to add this MAC address to DLS address table Input the timeout value of this WMM enabled direct link wireless device If the wireless device is not responding after this time it will be removed from DLS table If you want to remove a specific wireless device from DLS table select the device and click this button to remove it After you finish the settings click OK to close configuration utility WN 5000 USB User s Manual 37 2 7 About The About tab provides you the information about version numbers of configuration utility firmware and other important information about your wireless network adapter Please follow the following instructions to see these information 1 Right click the AirLive Wireless configuration utility icon located at lower right corner of compu
31. lease give this profile a name up to 32 alphanumerical characters and symbols are allowed but space is not allowed The SSID of the wireless access point or wireless device you selected will be displayed here But if the SSID of access point or wireless device is not available you have to input it here manually Please select CAM constantly awake mode keep the wireless radio activity when not transferring data or PSM Power saving mode switches radio off when not transferring data It s recommended to choose PSM if you re using this network adapter with notebook computer to help the battery live longer Select network type Ad Hoc or Infrastructure If you re adding a profile from an existing access point or wireless device it s automatically selected and you don t have to change it You can select the radio output power of wireless network adapter You may not need full radio power if you re not far from wireless access point and only use a 22 high setting here if you found that radio reception is bad If you don t know which one to use select Auto Preamble This option is only available when the network type is Ad hoc You can select Auto or Long Preamble Please select Auto if you don t know what it is RTS Threshold Check the box and you can set RTS threshold manually here Do not modify default setting unless you know what it is Fragment Check t
32. m View hardware and devices 4 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 press refresh button to rescan access points Click the access point you want to use if it s shown then click Connect w Connect to a network Select a network to connect to REFRESH Show All e A Unnamed Network Security enabled network Set up a connection or network Open Network and Sharing Center Se Adel N D 5 If the wireless access point you selected is an unnamed access point i e the SSID of this wireless access point is hidden you ll be prompted input it s name and the name must be identical to the SSID WN 5000 USB User s Manual 17 setting of the wireless access point you re connecting to If the access point you selected has a name already you ll not be prompted to give it a name w Connect to a network Type the network name SSID for the network Ask the person who set up this network to give you the name Network Name Home Next Cancel 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 passphra
33. may reproduce and distribute an unlimited number of copies of the SOFTWARE PRODUCT provided that each copy shall be a true and complete E he agreement InstallShield A Please read the end user license agreement and click Yes to accept license agreement AirLive 802 11N Wireless Network Card Setup Please read the following License Agreement Please read the ng i agreement Use the scroll bar to view the rest of this agreement AirLive 802 11N Wireless Utility for Windows 2000 XP Copyright C Ovislink Corp All Rights Reserved Thank you for purchasing AirLive 802 11N Wireless product SOFTWARE PRODUCT LICENSE The SOFTWARE PRODUCT is protected by copyright laws and intemational copyright treaties as well as other intellectual property laws and treaties The SOFTWARE PRODUCT is licensed not sold 1 GRANT OF LICENSE This End User License Agreement grants you the following Tigrie Irtain and tise Use You may install and use an unlimited number of copies of the Reproduction and Distribution You may reproduce and distribute an unlimited number of copies of the SOFTWARE PRODUCT provided that each copy shall be a true and complete E pt the agreement o to cancel the setup InstallShield 5 There are two wireless performance mode you can select here Optimize for WiFi mode or Optimize for performance mode If you want to enhance wireless performance please select Optimize for performance mode
34. nformation 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 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 And what are their differences Frequency hopping spread spectrum FHSS uses a narrowband carrier that changes frequency ina 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 c
35. nguage and Region Change keyboards or other input methods Change display language eee GN s Hardware Ana Sound Printer Mouse Ease of Access Let Windows suggest settings Programs Optimize visual display Uninstall a program Change startup programs Additional Options Recent Tasks Connect to a network Uninstall a program Ce View hardware and devices 3 Click Connect to a network under Network and Sharing Center WN 5000 USB User s Manual 16 ontrol Panel Home ci Network and Sharing Center em and Maintenance Ka network status and tasks Copafect to a network ayyork computers pbsan Add a device to the network Set up file sharing Security acon o Network and Internet i jetwork and Interne Internet Options Hardware and Sound Change your homepage Manage browser add ons Delete browsing history and cookies Programs l ccounts and Family Offline Files Safety Encrypt your offline files Manage disk space used by your offline files Appearance and Personalization Windows Firewall Clock Language and Region Turn Windows Firewall on or off Allow a program through Windows Firewall Ease of Access Additional Options People Near Me Sign in or out of People Near Me Change People Near Me settings Classic View Sync Center Sync with other computers mobile devices or network folders View sync results Resolve sync conflicts Recent Tasks Connect to a network Uninstall a progra
36. nual 12 Authentication Shows the authentication mode that access point or wireless device uses If the wireless access point does not require authentication you ll see Unknown displayed here Network Type Shows the type of wireless connection If it s a wireless access point Infrastructure will be displayed here if it s a computer or network device Ad Hoc will be displayed here Click the wireless access point or network device you wish to connect it will be highlighted then click Connect Profile Link Status Site Survey Statistics Advanced QoS About BE ees Tree Las JC L t JL Authent Networe T 4 DS Im d gt EH oe De cA Disconnected Rescan Connect Add to Profile zess nace If the access point you selected does not enable encryption The content of Encryption field of the access point you selected is None you ll be connected to this wireless access point within one minute Please jump to step 6 If the access point you selected enables encryption please proceed to next step If the wireless access point does not have SSID you ll be prompted to input it here Please ask the owner of wireless access point and input the exact SSID here then click OK when ready If the SSID you provided here is wrong you ll not be able to connect to this access point If the wireless access point you selected have SSID please skip this step
37. patible Supports major encryption methods like WEP WPA and WPA2 encryption USB interface you can get it installed on your computer in just few minutes Wireless access control prevent unauthorized network access to your network and computer WN 5000 USB User s Manual 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 adapter is designed for indoor use only DO NOT expose this network adapter to direct sun light or rain snow 2 DO NOT put this network adapter at or near hot or humid places like kitchen or bathroom Also do not left this wireless network adapter in the car in summer 3 Shutdown the computer and remove the power cord of your computer when you want to install remove the network adapter If you re not familiar about interface adapter installation ask an experienced technician for help 4 The antenna of this network adapter is small enough to put in a child s mouth ear or nose and it could cause serious injury or could be fatal If they throw the network adapter or antenna adapters or antennas will be damaged PLEASE KEEP THIS NETWORK ADAPTER OUT THE REACH OF CHILDREN 5 If you found that the network adapter is not working properly please contact your dealer of purchase and ask for help DO NOT try to fix the network adapter by your self warranty will be void 6 If the network adap
38. problem could be very simple and you can solve the problem by yourself Scenario Solution can t find any wireless access point 1 Click Rescan for few more times and see if you can find wireless device in Site Survey any wireless access point or wireless device function 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 adapter 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 Nothing happens when I click Launch 1 Please make sure the wireless network adapter is firmly config utilities inserted into your computer s USB slot If the AirLive Wireless configuration utility s icon is black the network adapter is not detected by your computer Switch the computer off and insert the adapter again If this doesn t work contact the dealer of purchase for help 2 Reboot the computer and try again 3 Remove the driver and re install 4 Contact the dealer of purchase for help can not establish connection with a 1 Click Connect for few more times certain wirele
39. re for your Network Controller Locate and install driver software recommended Windows will guide you through the process of installing driver software for your device Ask me again later Windows will ask again the next time you plug in your device or log on Don t show this message again for this device Your device will not function until you install driver software Cancel Insert device driver CDOM into the CD DVD ROM drive of your computer and execute Setup exe program in Driver folder WN 5000 USB User s Manual Please select Allow if Windows indicates that an unidentified program wants access to your computer AirLive 802 11N Wireless Network Card Setup Please read the following License Agreement ead the following license agreement Use the scroll bar to view his agreement AirLive 802 11N Wireless Utility for Windows 2000 xP EE IC Ovislink Corp Al Rights Reserved Thank you for purchasing AirLive 802 11N Wireless product SOFTWARE PRODUCT LICENSE The SOFTWARE PRODUCT is protected by copyright laws and international opyright treaties as well as other intellectual property laws and treaties The SOFTWARE PRODUCT is licensed not sold 1 GRANT OF LICENSE This End User License Agreement grants you the following tights Installation and Use You may install and use an unlimited number of copies of the SOFTWARE PRODUCT Reproduction and Distribution You
40. se WN 5000 USB User s Manual re w Connect to a network Type the network security key or passphrase for Home The person who setup the network can give you the key or passphrase Security key or passphrase Display characters F you have a USB flash drive with network settings for Home insert it now 7 Ifyou can see this message the connection between your computer and wireless access point is successfully established Click Close to start network connection If not please go back to step 4 and recheck everything Make sure the SSID or security key passphrase you inputted is correct CO Er Connect to a network Successfully connected to VarioxNET Save this network V Start this connection automatically WN 5000 USB User s Manual 19 2 3 Connection Profile Management If you need to connect to different wireless access points at different time like of access point of your home office cybercafe or public wireless service you can store the connection parameters encryption passphrase security etc etc as a profile for every access point so you don t have in input these parameters every time you want to connect to a specific wireless access point 2 3 1 Make a profile for an access point or wireless device 1 Right click the AirLive Wireless configuration utility icon located at lower right corner of computer desktop then click Launch Conf
41. ss access point 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 WN 5000 USB User s Manual 40 adapters 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 adapter to his her access The network is slow having problem when transferring large files 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
42. ter desktop then click Launch Config Utilities 2 Click About tab and the following settings will appear Ali 802 11N Wireless Utility If you need assistance about network problem you ll need these values You can also click WWW AIRLIVE COM button to go to the web site of network adapter driver manufacturer and get more information about your wireless network adapter Please click OK to close configuration utility WN 5000 USB User s Manual 38 Chapter 3 Appendix 3 1 Hardware Specification Standards IEEE 802 1 1b g N Interface USB Frequency Band 2 4000 2 4835GHz Industrial Scientific Medical Band Data Rate 11b 1 2 5 5 11Mbps 11g 6 9 12 24 36 48 54Mbps 11n 20MHz MCSO 15 32 with Half Guard Interval Support up to 144Mbps 11n 40MHz MCSO 15 32 with Half Guard Interval Support up to 300Mbps Securities WEP 64 128 WPA WPA2 Cisco CCX V1 0 V2 0 amp V3 0 Compliance Antenna External 3 Antennas with Two TX and Three RX Connector RP SMA Drivers Windows 2000 XP 2003 Vista Server LEDs Link TX RX Transmit Power 16dBm 2dBm Temperature 32 131 F 0 55 C Humidity 10 95 NonCondensing Certification FCC CE WN 5000 USB User s Manual 39 3 2 Troubleshooting If you encounter any problem when you re using this wireless network adapter don t panic Before you call your dealer of purchase for help please check this troubleshooting table the solution of your
43. ter falls into water DO NOT USE IT AGAIN BEFORE YOU SEND THE ADAPTER TO THE DEALER OF PURCHASE FOR INSPECTION 7 If you smell something strange or even see some smoke coming out from your computer switch the computer off immediately and call dealer of purchase for help WN 5000 USB User s Manual 1 3 System Requirements An empty USB slot Windows 2000 2003 XP or Vista operating system CD ROM drive At least 100MB of available disk space 1 4 Package Contents Before you starting to use this wireless network adapter please check if there s anything missing in the package and contact your dealer of purchase to claim for missing items USB wireless network adapter 1 PCS eeeeeeeeeeees 1 Quick installation guide 1 PCS cceeceeeeeeeeeeeee eee eees 2 User manual CDROM 1 pcs tees 3 ue HE A 1 5 Familiar with your new wireless network adapter 1 USB adapter WN 5000 USB User s Manual Chapter 2 Driver Installation and Configuration 2 1 Network Adapter Installation Please follow the following instructions to install your new wireless network adapter 1 Insert the wireless network adapter into an empty USB slot of your computer 2 After you plug in to USB port The following message will appear on your computer click Don t show 3 this message again for this device Found New Hardware Windows needs to install driver softwa
44. tication here This field will be grayed out when authentication type is not EAP FAST Use Client If the authentication type you use is PEAP or TTLS you can use the certificate stored WN 5000 USB User s Manual 26 More Allow unauthenticated provision mode Use protected authentication credential Remove Import Protocol Identity of tunneled authentication Password of tunneled authentication Password Mode on your computer If the authentication type you use is TLS Smart Adapter this box is always checked After you clicked this button you ll be prompted to select a certificate on your computer This box is always checked and can not be modified If the authentication type you use is EAP FAST You can use protected authentication credential by check this box Remove the credential you imported previously Import the authentication credential file PAC or al file format you ll be prompted to select a credential file from your computer You can select the protocol of tunneled authentication here This pulldown menu is only available when authentication type you use is PEAP or TTLS When you use EAP FAST as authentication type the protocol setting is always Generic Token Adapter and can not be changed Please input the identity of tunneled authentication here Please input the password of tunneled authentication here Please select t
45. tized 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 11 e standard and is an enhancement of IEEE 802 11 legacy power save 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 16 What is GI GI stands for Guard Interval Its 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
46. try one or more solutions listed above WN 5000 USB User s Manual 41 3 3 Glossary 1 What is the IEEE 802 119 standard 802 11g 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 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 802 119 standard requires backward compatibility with 802 11b The standard specifically calls for A Anew 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 Aprotection mechanism called RTS CTS that governs 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 which 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

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