Edimax EW-7108PCG Wireless Cardbus Adapter
Contents
1. Connect Addto Profile Parameter Description Available Networks This list shows all available wireless networks within range of your card It also displays the information of the networks including the SSID BSSID Signal Strength Channel Encryption Authentication and Network Type If you want to connect to any networks on the list double click the item on the list and the card will automatically connect to the selected network Rescan Button Click Rescan button to collect the information of all the wireless networks nearby Connect Button Click Connect to connect to the selected network Add to Profile Button Add the selected network to Profiles list 3 2 Profile The Profiles List is for you to manage the networks you connect to frequently You are able to Add Delete Edit Activate a profile Configuration Utility RT2500 Profile Link Status Site Survey Statistics Advance About Profiles List Profile Name SSID Channel Authentication Encryption Network Type PROFI Parameter Description Profiles List The profiles list display all the profiles and the relative information including Profile Name SSID Channel etc Add Delete Edit Button Click these buttons to add delete edit the selected profiles Activate Button Click Activate to connect to the selected profile 3 2 4 Configure the Profile Add Profile Configurati2. Password Session Resumption Use Client Authenticate Tunneled Authentication Protocol Identity Password There are five kinds such as PEAP TLS Smartcart TTLS LEAP and MD5 User account number Password of user s account s number Prove that the method is used while choosing LEAP and MD5 Challenge We suggests to using always to perform the authentication with CA server Client evidence is the essential project of TLS and the alternative projects Option of PEPA and TTLS It shows that will confirm in the crossing of authentication whether Client evidence is correct to collude and select to use Client evidence While choosing Client evidence press the button will present the picture of showing the available evidence the user can choose the suitable evidence to regard as Client evidence from it Use authentication way for two stage PEAP and TTLS when user enable each authentication method Two stage authentication is divided into two steps the first step is to set up Tunnel utilized its evidence to set up one exit passageway by Server end Station need not establish any and select the second step is legitimacy of using the designated authentication way to confirm Station in Tunnel the materials that authentication needs include Tunnel ID Tunnel password Client evidence or Server evidence Authentication way to use in the exit passageway User s name Password 3 2 4 802 1x Setti
3. Power consumption Tx 350mA Rx 250mA Receive Sensitivity 54Mbps OFDM 10 PER 70dBm 11Mbps CCK 8 PER 86dBm 1Mbps BPSK 896 PER 92dBm e Dimension 8 H x 118 W x 54 D mm Temperature 32 131 F 0 55 C e Humidity Max 95 NonCondensing Certification FCC CE 1 3 Package Contents Before you begin the installation please check the items of your package The package should include the following items One PC Card e One CD Driver Utility User s Manual One Quick Guide If any of the above items is missing contact your supplier as soon as possible 2 Installation Procedure Before you proceed with the installation please notice following descriptions Note1 Please do not install the card into your laptop computer before installing the software program from the CD Note2 The following installation was operated under Windows XP Procedures are similar for Windows 98SE Me 2000 Note3 If you have installed the Wireless PC Card driver amp utility before please uninstall the old version first A Insert the Installation CD to your CD ROM Drive Execute the setup program Sader wires ed Cot papang te ia m ctm hdi Baf Sa m i De ha paeen Pome me B Click Yes to continue sped the kenes agrement Line Pa oni br t vem Cw ed tac peer for Wiexdows SBME 2000 P 1 ALINE CORP Ad fights R
4. To connect to an available network click Configure This network requires a key for the following Configure i 50 IQ i OBM DEPT default Preferred networks Automatically connect to available networks in the order listed Learn about setting up wireless network configuration Association Authentication Network name 5510 default Wireless network key Network Authentication Refresh i Data encryption C This is a computer to computer ad hoc network wireless access points are not used 3 Press Configure button to configure the WPA function for the current network Note Uncheck Use Windows to Configure my wireless network settings RaConfig utility will be enabled again Parameter Description Network Authentication Open No authentication is needed among the wireless network Shared Only wireless stations using a shared key WEP Key identified are allowed to connecting each other WPA This mode is for enterprise with an authentication server Radius Server WPA enabled access point and a WPA enabled client Once WPA is enabled all clients and access points on the network must be WPA enabled in order to access the network WPA PSK It is a special mode designed for home and small business users who do not have access to network authentication servers In this mode known as Pre Shared Key the user manually enters the starting
5. enable the protection mechanism This mechanism can decrease the rate of data collision between 802 11b and 802 110 wireless stations When the protection mode is enabled the throughput of the card will be a little lower due to many of frame traffic should be transmitted Auto Based on the status of the network and automatically disable enable protection mode On Always enable the protection mode Off Always disable the protection mode There are several options including Auto 1 2 5 5 11 6 9 12 18 24 36 48 54Mbps for you to select When the Auto is selected the device will choose the most 19 suitable transmission rate automatically The higher data rate you designated in the network the shorter distance is allowed between the card and the wireless stations When the wireless mode is 802 11 B only the maximum data rate is 11Mbps 11b so that there are only Auto 1 2 5 5 11Mbps options you can select Tx BURST Tx Burst enables the card to deliver the better throughput in the same period and environment Fast Roaming at Unless under at situation that roam if there are two Cisco s AP in environment and not as performance that link of now in lower than 70dbm at it will switch over it to another one AP automatically Select your country region code It allows to change the domain from CCS tool you can enable this feature from Program RaLink RT2500 CCS CCX 2 0 When you enable this feature and it allows to perf
6. password in their access point or gateway as well as in each PC on the wireless network WPA takes over automatically from that point keeping unauthorized users that don t have the matching password from joining the network while encrypting the data traveling between authorized devices 13 Parameter Description Data Encryption WEP In WPA or WPA PSK mode WEP is also able to be the encryption method for the transmission data TKIP TKIP Temporal Key Integrity Protocol changes the temporal key every 10 000 packets a packet is a kind of message transmitted over a network This insures much greater security than the standard WEP security AES AES has been developed to ensure the highest degree of security and authenticity for digital information and it is the most advanced solution defined by IEEE 802 11i for the security in the wireless network Note All devices in the network should use the same encryption method to ensure the communication 3 2 3 802 1x Setting Evidence It will show below configuration screen when you enable the 802 1x authentication then press the 802 1x setting 807 1 Setting Certification CA Server Authentication Type PEAP v Session Resumption Disabled Y Disabled Identity Use Client certificate Tunneled Authentication Protocol EAP MSCHAP v2 Identity Password OK Cancel OK Parameter Description Authentication Type Identity
7. radio channel used for the networking The channel setting should be the same with the network you are connecting to EEE ECE ih MERE WPA PSK Authentication vs Security EF 802 1 REB Se wm PO Pret PO wA aa Parameter Description Authentication Type This setting has to be consistent with the wireless networks that the card intends to connect None No authentication is needed among the wireless network Shared Only wireless stations using a shared key WEP Key identified are allowed to connecting each other WPA PSK lt is a special mode designed for home and small business users who do not have access to network authentication servers In this mode known as Pre Shared Key the user manually enters the starting password in their access point or gateway as well as in each wireless stations in the network WPA takes over automatically from that point keeping unauthorized users that don t have the matching password from joining the network while encrypting the data traveling between authorized devices The encryption methods are including TKIP and AES Note that this option is only available for Windows XP 802 1x Authentication 802 1x Setting It allows to get more powerful secure when you enable it and press the 802 1x setting button the user can establish the information that authentication is correlated with further through this pic
8. 802 11g Wireless LAN PC Card User Manual Version 1 0 March 2004 COPYRIGHT Copyright 2004 2005 by this company 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 This company 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 reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation to notify any person of such revision or changes All brand and product names mentioned in this manual are trademarks and or registered trademarks of their respective holders Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a
9. 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 accept any interference received including interference that may cause undesired operation Any changes or modifications not expressly approved by the pa
10. E Cee 3e dise oce reete edes 7 3 2 Configure the Profile ice tice rer e eee e ERR Io EU HET Du seb Ee qe da te 8 3 2 2 Enable WPA in Windows XP enhn ee he e he eese esse ee esee tes see sees ee ne 11 3 253 8021 Setting uet ite ber am ee t A 11 3 2 4 802 1x Set ng CA SERVER e pes en ode shee bas ARD 11 3 3 Persa ced 17 Statistles o eet ree bet veris etes PE TEE n 18 SEM OV ANCE a ETT EU TIU PEE 18 ENORMI 20 1 Introduction Thank you for purchasing the 802 119 Wireless LAN PC Card This card complies with IEEE 802 119 standard which supports up to 54Mbps high speed wireless network connections It can also work with IEEE 802 11b devices When the card connects to 11b devices the link speed will be up to 11Mbps For WLAN security issues this card supports 64 128 bit WEP data encryption that protects your wireless network from eavesdropping It also supports WPA Wi Fi Protected Access feature that combines IEEE 802 1x and TKIP Temporal Key Integrity Protocol technologies Client users are required to authorize before accessing to APs or AP Routers and the data transmitted in the network is encrypted decrypted by a dynamically changed secret key This card has built in AES engine which ensure the highest degree of security and authe
11. ay the SSID and MAC ID of the network the card is connecting to Display the number of the radio channel and the frequency used for the networking Current Tx Rate Throughput Kbits sec Link Quality Display the transmission rate of the network The maximum transmission rate is 54Mbps Display the speed of data transmitted and received This bar indicates the quality of the link The higher the 17 percentage the better the quality dBm If you want to know the signal strength in the unit of dBm select this check box Signal Strength This bar shows the signal strength level The higher percentage shown in the bar the more radio signal been received by the card This indicator helps to find the proper position of the wireless device for quality network operation 3 4 Statistics This option enables you to view the available statistic information with its Tx counts Tx success Tx error RTS Success and RTS Failed and its Rx counts Rx success Rx error You may reset the counters by clicking Reset Counter Configuration Utility RT2500 Profile Link Status Site Survey Statistics Advance About Transmit Statistics Frames Transmitted Successfully Frames Transmitted Successfully Without Retry Frames Transmitted Successfully After Retry s Frames Fail To Receive ACK After All Retries RTS Frames Successfully Receive CTS RTS Frames Fail To Receive CTS Receive Statistics Frames Received Successful
12. ecific Ad hoc LAN is called a Basic Service Set BSS Computers in a BSS must be configured with the same BSS ID 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 Whatis TKIP TKIP is a quick fix method to quickly overcome the inherent weaknesses in WEP security especially the reuse of encryption keys TKIP is involved in the IEEE 802 11i WLAN security standard and the specification might be officially released by early 2003 9 Whatis 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 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 tech
13. ecommunications 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 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 EU Countries Not intended for use None CONTENTS 1 INTRODUCTION sire 2 ener eeu us eui de ou Uc Ue aa Sen e oca en aaaea saaa aa 1 a E EE Saat eges 1 122 Sp cifications Sese 1 1 3 Package Contents E cto 2 2 INSTALLATION PROCEDURE cccccccccccccccccccccccccccceces 3 3 CONFIGURATION UTILITY cccccccccccccccccccccccccccececs 6 Site SUEVOY ji ncc fo soon odo tne e pt ee do st ela 6 3 2 PLON
14. ed 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 23
15. el Infrastructure This operation mode requires the presence of an 802 11 Access Point All communication is done via the Access Point or Router Ad Hoc Select this mode if you want to connect to another wireless stations in the Wireless LAN network without through an Access Point or Router If you want to lower the transmit power of the card for saving the power of the system you can select the lower percentages from the list The preamble defines the length of the CRC block for communication among wireless stations This option is only active in the Ad Hoc network There are two modes including Auto and Long Preamble If Auto mode is selected the card will auto switch the preamble mode depending on the wireless stations which the card is connecting to Minimum packet size required for an RTS Request To Send For packets smaller than this threshold an RTS is not sent and the packet is transmitted directly to the wireless network Select a setting within a range of 0 to 2312 bytes Minor change is recommended The value defines the maximum size of packets any packet size larger than the value will be fragmented If you have decreased this value and experience high packet error rates you can increase it again but it will likely decrease overall network performance Select a setting within a range of 256 to 2312 bytes Minor change is recommended This setting is only available for Ad Hoc mode Select the number of the
16. eserved herh you hor purchasng F INI product PRODUCT UCENSE TwidE PRODUCT pestected by copyngh lr and ibmmationai ven r els pepe lowe ani The not void 1 GANT OF LUCENSE Tha End Uves Licence Agesmert gants you the and Use You may ond use an ur mted nube d copes di fe ard Durban Vou map veprocduce and debte an urinated number of SOFTWARE PRODUCT provelesd that each copy sull be trae and complet E C The system starts to install the software of the card Follow the instruction of the program to plug in the PC card into the Cardbus slot of your laptop computer PT SOD vets LAN Cat Sone mh med cpm vowing GA NT PDC mea LAN Caen A 7 rm EY Please plug in the RT2500 Wireless LAN Card on your computer D The system will automatically detect the card and display Hardware Installation screen Click Continue Anyway to continue Hardware Installation The software you are installing for this hardware Ralink RT2500 Wireless LAN Card has not passed Windows Logo testing to verify its compatibility with Windows Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software t
17. hat has passed Windows Logo testing Continue Anyway gt STOP Installation E Click Finish to complete the installation 3 Configuration Utility The Configuration Utility is a powerful application that helps you configure the PC card and monitor the link status and the statistics during the communication process The Configuration Utility appears as an icon on the system tray of Windows while the card is running You can open it by double click on the icon 10 02 AM Right click the icon there are some items for you to operate the configuration utility e Lauch Config Utilities Select Lauch Config Utilities to open the Configuration Utility tool e Exit Select Exit to close the Configuration Utility tool 3 4 Site Survey When you open the Configuration Utility the system will scan all the channels to find all the access points stations within the accessible range of your card and automatically connect to the wireless device with the highest signal strength From the Site Survey option all the networks nearby will be listed You can change the connection to another network or add one of the networks to your own profile list Configuration Utility RT2500 Profile Link Status Site Survey Statistics Advance About SSID BSSID Sig Ene Authent Network T SO 05 8_ 94 6 Unknown nfrastrucure Connected lt gt 50
18. icates If this selects and hits colluding show and issue issue The unit of the server evidence can be a evidence chosen by user to authorize the evidence approved of the unit to authorize the unit authorize the unit or the secondary evidence to authorize the unit by relaying evidence On the contrary the server evidence must be that the evidence chosen by user authorize the unit to issue Server name This field is made according to selecting checkbox its value can be the server name or the domain name of the server 3 3 Link Status The server name must be totally correct If choose this to select the server name which shows the server evidence must be self same as server name The server name only needs the last domain name to be the same If choose this to select show that the evidence which issues the server evidence authorizes the unit to be the network land or network land once input in server name From the Link Status option you can view all the information of the network you are connecting to Configuration Utility RT 2500 Profile Link Status Site Survey Statistics Advance About Status lt gt 00 50 FC BA 18 C8 Current Channel 6 lt gt 2437000 KHz Current Tx Rate Mbps Throughtput Kbits sec Tk 00 Good 93 Link Quality aT a a Nomal 70 dBm Signal Strength RS DR N Parameter Description Status Current Channel Displ
19. including a z and 0 9 as the encryption keys For example 0123456aef or test1 128 bit Input 26 digit Hex values in the A F a f and 0 9 range or 13 digit ASCII characters including a z and 0 9 as the encryption keys For example 01234567890123456789abcdef or administrator 3 2 2 Enable WPA in Windows XP Wi Fi Protected Access WPA is a specification of standards based interoperable security enhancement that strongly increases the level of data protection encryption and access control 11 authentication for existing and future wireless LAN systems The technical components of WPA include Temporal Key Integrity Protocol TKIP for dynamic key exchange and 802 1x for authentication There are two types of WPA security WPA PSK no server and WPA with server WPA requires a Radius Server to complete the authentication among wireless stations and Access Points Typically this mode is used in a enterprise environment WPA PSK uses a so called pre shared key as the security key A pre shared key is a password that each wireless station uses the same key to access the network Typically this mode will be used in a home environment To enable the WPA function in Windows XP the following software systems are required 1 Windows XP Service Pack 1 with Windows XP Support Patch for Wi Fi Protected Access program in addition 2 Configure the card by Wireless built in utility W
20. ireless Zero Configuration Note In that kind of system there are two utility selections when you open the configuration utility of the card You can select to use the XP s built in utility with full WPA function If Use XP Wireless Zero Configuration is selected you can only configure the advance setting or check the link status and statistics from the RaConfig utility Utility Selection Use RaConfig without 802 1x support go Use XP Wireless Zero Configaration Full V Fi Protected AccessiTM support wath addbonal patch from Microsoft Wireless Network Connection The following wireless network s are available To access wireless network select it from the list and then click Connect Available wireless networks i 4 OBM DEPT defaut __ ej This wireless network is not secure Because a network key WEP is not used for authentication or for data From here right click the icon to select View Available Wireless Allow me to connect to the selected wireless network even though it is not secure encryption data sent over this network might be subject to unauthorized access Networks 2 Press Advanced button If you are having difficulty connecting to a network click Advanced from Wireless Network n Connection advanced 1 Wireless Network Connection Properties Wireless network properties General Wireless Networks Advanced Available networks
21. l 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 A protection mechanism called RTS CTS that governs how 802 11g devices and 802 11b devices interoperate 2 Whatis 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 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 Whatis 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 21 6 Whatis BSS ID A sp
22. ly Frames Received With CRC Error Frames Dropped Due To Out of Resource Duplicate Frames Received 3 5 Advance This option enables you to configure more advanced settings for example wireless mode protection mode and etc 18 Ralink Wireless Utility Profile Link Status Site Survey Statistics Advanced About Wireless mode 802 11 B G mix Ad hoc wireless mode 802 11 B only B G Protection Tx Rate Tx BURST Auto J Auto LEAP tum on CCKM Enable Radio Measurement Non Serving Channel Measurements FastRoaming at Limit 250 milliseconds 0 2000 V Enable 005 hd Turn off RF Apply Parameter Description Wireless Mode 802 11 B G mix If you have a mix of 802 110 and 802 119 wireless stations in your network it is recommended to setting the card to this mode This mode is also the default setting 802 11 B only This card can be compatible with both 802 110 and 802 11b wireless stations If there are only 802 11b wireless stations in the network you can set the card to this mode AD hoc wireless mode B G Protection Tx Rate When the network type is in Ad Hoc mode that the card can only work in 11b data rate It is defined by Wi Fi organization If you want to enable the data rate up to 54Mbps 119 select Adhoc wireless mode If you have a mix of 802 11b and 802 119 wireless stations in the network it is recommended to
23. ng CA Server CA server uses while adopting authentication ways such as TLS TTLS and PEAP etc Client can prove first whether this server is a dependable server after proving that passes convey the evidence if enables to select to use Client evidence Prove that CA server is divided into two steps 1 Confirm whether the server evidence Server Certificate is authorized the unit to send out by the designated evidence if proving while allowing is hit and colluded show that this server evidence can authorize the unit that a dependable evidence authorize the unit approved of the unit to send out from a relaying evidence 2 Check whether the server name of the server evidence accords with user s name input or belongs to the same network B02 1x Setting Certification CA Server Use certificate chain Certificate issuer Any Trusted s Allow intermidiate certificates Server name Server name must match exactly Domain name must end in specified name Cancel Help Parameter Description Use Certification chain It shows that in the passing of authentication Client will go to confirm whether CA server is a dependable server to collude and select this to select Certification issuer Refer to CA of the server evidence Server Certificate can select to choose the suitable evidence to authorize the unit in the form from making the drawing type Allow intermidiate certif
24. nology 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 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 22 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 consum
25. nticity for digital information and it is the most advanced solution defined by IEEE 802 1 1i for the security in the wireless network The power consumption of the card is also very low Furthermore this card provides several levels of power saving modes allowing user customizes the way of saving the power from his her portable or handheld devices This card is cost effective together with the versatile features it is the best solution for you to build your wireless network 1 1 Features Works with both IEEE 802 11b and IEEE 802 119 products High speed transfer data rate up to 54Mbps e High throughput supports multi media data bandwidth requirement Supports 64 128 bit WEP WPA TKIP with IEEE 802 1x and AES functions for high level of security Automatic fallback increases data security and reliability Supports the most popular operating system Windows 98SE Me 2000 XP Supports 32 bit Cardbus interface 1 2 Specifications e Standard IEEE 802 1 1b g Interface 32 bit Cardbus Frequency Band 2 4000 2 4835GHz Industrial Scientific Medical Band e Modulation OFDM with BPSK QPSK 16QAM 64QAM 119 BPSK QPSK CCK 11b Data Rate 54 48 36 24 18 12 11 9 6 5 5 2 1Mbps auto fallback Security 64 128 bit WEP Data Encryption WPA AES and IEEE 802 1x Antenna Printed Antenna with Diversity System Drivers Windows 98SE Me 2000 XP LEDs TX RX Link Transmit Power 16dBm 18dBm
26. on Authentication and Security Profile Name PRoF1 SSID hd PSM CAM Constantly Awake Mode C PSM Power Saving Mode Network Type infrastructure Ne TX Power Auto z Preamble Infrastructure T RTS Threshold 11 q 2312 Fragment Threshold 256 i 2312 2312 System Configuration Parameter Description Profile Name Define a recognizable profile name for you to identify the different networks SSID The SSID up to 32 printable ASCII characters is the unique Power Saving Mode name identified in a WLAN The ID prevents the unintentional merging of two co located WLANs You may specify a SSID for the card and then only the device with the same SSID can interconnect to the card If you want to add one of the networks nearby to the profile list pull down the menu all the networks nearby will be listed and you can add one of them to the profile list The power saving function is only available when the network type is in Infrastructure CAM Constantly Awake Mode The card will always set in active mode Power Saving Mode Enable the card in the power saving mode when it is idle CAM When AC Power Select this option to automatically switch the card from power saving mode to CAM mode while the power of your laptop computer is supplied by the AC power but not battery Parameter Description Network Type Transmit Power 11B Preamble Type RTS Threshold Fragment Threshold Chann
27. orm the relating functions with Cisco wireless device 3 6 About By choosing this option you can click the hyperlink to connect the website for the information of the wireless chipset vendor and review basic information about the Utility such as the Driver Utility and EEPROM Version The MAC Address of the card is displayed in the screen as well Configuration Utility 672500 Profile Link Status Site Survey Statistics Advance About R Copyright 2002 Ralink Technology Inc All rights reserved RaConfig Version 1 7 1 0 Date 02 24 2004 Driver Version 221 0 Date 02 17 2004 EEPROM Version 1 1 NIC MAC Address 00 0C 43 25 66 18 20 4 Troubleshooting This chapter provides solutions to problems usually encountered during the installation and operation of the adapter 1 Whatis the IEEE 802 11g 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 A new physical layer for the 802 11 Medium Access Contro
28. rty responsible for compliance could void the authority to operate equipment Federal Communications 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 2 5cm 1 inch during normal operation Federal Communications Commission FCC RF Exposure Requirements SAR compliance has been established in the laptop computer s configurations with PCMCIA slot on the side near the center as tested in the application for Certification and can be used in laptop computer s with substantially similar physical dimensions construction and electrical and RF characteristics Use in other devices such a PDAs or lappads is not authorized This transmitter is restricted for use with the specific antenna s tested in the application for Certification The antenna s used for this transmitter must not be co located or operating in conjunction with any other antenna or transmitter 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 Tel
29. ture such as protocol ID and password Client evidence or server evidence of Tunnel etc please refer to the following chapter 3 2 3 for detail information Encryption Mode None Disable the WEP Data Encryption WEP Enable the WEP Data Encryption When the item is selected you have to continue setting the WEP Encryption keys TKIP TKIP Temporal Key Integrity Protocol changes the temporal key every 10 000 packets a packet is a kind of message transmitted over a network This insures much greater security than the standard WEP security AES AES has been developed to ensure the highest degree of security and authenticity for digital information and it is the most advanced solution defined by IEEE 802 11i for the security in the wireless network Note All devices in the network should use the same encryption method to ensure the communication WPA Pre Shared Key The WPA PSK key can be from eight to 64 characters and can be letters or numbers This same key must be used on all of the wireless stations in the network WEP Key The WEP keys are used to encrypt data transmitted in the Key1 Key4 wireless network There are two types of key length 64 bit and 128 bit Select the default encryption key from Key 1 to Key 4 by selected the radio button Fill the text box by following the rules below 64 bit Input 10 digit Hex values in the A F a f and 0 9 range or 5 digit ASCII characters
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