OvisLink WN370USB Long Range Wireless-B/G/N USB Dongle with Detachable Antenna User Manual AirLive WN 370USB QIG Manual

OvisLink Corp. Long Range Wireless-B/G/N USB Dongle with Detachable Antenna AirLive WN 370USB QIG Manual

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WN370USB User Manual

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Live WN-370USB Manual Long Range Wireless-B/G/N USB Dongle with Detachable Antenna User’s Manual WN-370USB

Copyright and Disclaimer AirLive WN-370USB User’s Manual iiFCC Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against radio interference in a commercial environment. This equipment can generate, use and radiate radio frequency energy and, if not installed and used in accordance with the instructions in this manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause interference, in which case the user, at his own expense, will be required to take whatever measures are necessary to correct the interference. CE Declaration of Conformity This equipment complies with the requirements relating to electromagnetic compatibility, EN 55022/A1 Class B. This device complies with Part 15 of the FCC Rules. Operation is subject to the following 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 of the device. NOTE Please include the 20cm separation distance warning in the User Manual. “Separation Distance” between the User and the EUT：“To maintain compliance with FCC’s RF exposure guidelines, this equipment should be installed and operated with minimum distance 20cm between the radiator and your body. Use only the supplied antenna(s).”

Copyright and Disclaimer AirLive WN-370USB User’s Manual iii TABLE OF CONTENTS 1. INTRODUCTION .........................................................................................1 2. SPECIFICATION .........................................................................................3 3. INSTALLATION/ UN-INSTALLATION .........................................................5 3.1 Installation........................................................................................... 5 3.2 Un-Installation..................................................................................... 8 4. WLAN: WIRELESS LAN MANAGEMENT GUI ........................................11 4.1 Introduction of Main Window..............................................................11 4.2 Station Mode..................................................................................... 18 4.3 Access Point Mode ........................................................................... 25 5. APPENDIX.................................................................................................31 5.1 Troubleshooting ................................................................................ 31 5.2 Glossary............................................................................................ 32

1. Introduction AirLive WN-370USB User’s Manual 2It also provides all the data rates in the IEEE 802.11 b/g/n standards, with both short and long preambles to ensure the compatibility of legacy wireless products and new ones, saving the panic works for end users to find compatible products. Since the security issue has become one of the most important one in the wireless society, it provides you with the full security coverage from the 64/128bits WEP encryptions, second generation WPA-PSK encryption, to the most advanced WPA2-AES encryption. WPA2 is the latest security standard currently approved by WiFi standards. Saving mode, Ad-hoc wireless LAN, Wake on LAN (WOL) and other exciting features are also included in this Wireless LAN USB Adapter. This user manual will guide you through these exciting features in the following chapters and we is believed that you will be greatly satisfied with its performance and ease of use.

2. Specification AirLive WN-370USB User’s Manual 3 Standards IEEE 802.11 b/g/n standards compliant Antenna 5dBi Frequency Range 2.400GHz~2.4835GHz Operating Frequency / Channel - 2.412~2.462GHz (Canada, FCC) / 11 Channels - 2.412~2.484GHz (Japan, TELEC) / 14 Channels - 2.412~2.472GHz (Euro, ETSI) / 13 Channels Security - WEP 64/128 - WPA, WPA2 Access Protocol CSMA/CA Output Power (HIGH-POWER) - 11n: 19dBm (Typical) ± 1 - 11g: 20dBm (Typical) ±1 - 11b: 25dBm (Typical) ±1 Data Rate - 11n (40MHz): up to 150Mbps - 11n (20MHz): up to 72Mbps - 11g: 54, 48, 36, 24, 18, 12, 9 and 6Mbps - 11b: 11, 5.5, 2, and 1Mbps with auto-rate fall back Sensitivity - 11n: 90dBm - 11g: 92dBm - 11b: 95dBm Host Interface A-Type USB 2.0 connector Operation Voltage 5V DC Environment Specifications - Operating Temp : 0℃ to 60℃ - Storage Temp : -20℃ to 70℃ - Storage Humidity: 10% to 90% Non-Condensing Physical Specifications 49(L) x 26(W) x 10(H) (not including antenna) Operating System Support - Windows® 98SE/ME/2000/XP/VISTA/, Win 7, Mac and Linux Approval - FCC Part 15 - CE 2 2. Specification

2. Specification AirLive WN-370USB User’s Manual 4SYSTEM REQUIREMENTS Windows System: Windows, 2000, XP 32/64 bit, Vista 32/64 bit, and Win 7 32/64bit PCs must have a device driver installed. It allows you to communicate with WLAN Mini USB Adapter. PACKAGE CONTENTS 1. Wireless LAN USB Adapter x 1 2. Installation Software CD x 1 3. Quick Setup Guide x 1 4. Antenna x 1

3. Installation/ Un-installation AirLive WN-370USB User’s Manual 53 3. Installation/ Un-installation Warning! Do not cover or block the airflow to the adapter. The adapter will reach a high temperature during use. 3.1 Installation Before you proceed with the installation, please notice the following descriptions. Note1: The following installation was operated under Windows Vista. (Procedures are similar for Windows /2000/XP.) Note2: If you have installed the WLAN USB driver & utility before, please uninstall the old version first. 1. Do not plug the wireless LAN USB adapter into your computer USB port before installing the software program. Insert the software program CD, then auto installation window pops up on following: 2. While the following screen pops out, click Install Driver & Utility

3. Installation/ Un-installation AirLive WN-370USB User’s Manual 63. Choose a set up language. Click Next to process the installation. 4. Click Next

3. Installation/ Un-installation AirLive WN-370USB User’s Manual 75. Click Install 6. Click Finish to complete the installation

3. Installation/ Un-installation AirLive WN-370USB User’s Manual 87. After click Finish to complete the installation, under Windows Vista <ALL Programs> menu, AirLive USB wireless LAN Utility program installed. 8. Please connect the detachable antenna. 9. Insert the wireless LAN USB adapter into your computer USB port, the computer detect and drive the wireless LAN USB adapter automatically. Warning! For avoid damage the device, please connect the detachable antenna before connect to the power (or USB). 3.2 Un-Installation From “Wireless Network Driver and Utility”, “Control Panel” ”Change or Remove Programs”. A. Uninstall the WLAN USB Adapter Driver from “Start”, “All Programs”, Click “Uninstall” (or “Change/Remove”) to remove Wireless LAN USB Adapter driver.

3. Installation/ Un-installation AirLive WN-370USB User’s Manual 9

3. Installation/ Un-installation AirLive WN-370USB User’s Manual 10B. Click “Yes” if you want to remove Wireless LAN USB Adapter Driver. Click “Finish” to complete the Un-installation.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manua 114 4. WLAN: Wireless LAN Management GUI 4.1 Introduction of Main Window A. Main MenuC. Properties Area B. Adapter List D. Global Control E. Status Bar A. Main Menu The main menu includes five submenus. 1. Refresh(R) When clicking the refresh menu, you can update and re-enumerate the contents of adapter list area.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manual 122. Set Wizard(S) 2.1 Wizard-1 Click Set Wizard(S) menu to enter operation wizard. Click AP: Setup a wireless network. To configure Access Point parameters—

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manua 132.2 Wizard-2 User defines wireless network Name [SSID](less than 32 characters). User may skip wireless security. Strongly recommend user to setup wireless security to avoid invalid users. 2.3 Wizard-3 This page shows SSID & Security settings. 2.4 Wizard-4 Show all settings under AP mode. Click Finish to complete wizard setup.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manual 143. Mode (M) Wireless configuration is quickly switched to either [Station] or [AP]. 4. View (V) Enable/disable the presence of E. Status Bar. Without the check mark (v) the E. Status Bar will be hidden. 5. About (A) Click the “About” to show the utility information dialog. The application version and license information are shown in utility information dialog.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manua 15B. Adapter List Area All connected adapters on this system with multiple adapter installations are displayed in this area. It is easy for users to change the selected adapter by one click. The contents of properties area are dependant on wireless configuration that the selected adapter is set up. If only single adapter is installed on the system, only one adapter is always selected.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manual 16C. Properties Area The contents of this area are dependent on current wireless configuration. The current configuration is determined on previous explanation of submenu “Mode”. The more detailed contents are described in the following wireless configuration sections for both Station and AP mode. D. Global Control Bar Each control item on this bar affects the adapter or management GUI directly. Show Tray Icon Checking "Show Tray Icon" and clicking “Close” button, the management GUI will be minimized and stay on the tray icon which is located at the right bottom corner of Windows. If not, management GUI will shut down while clicking "Close" button with unchecked condition

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manua 17 Radio Off Turn off the radio to save power. While the radio is off, the links with other wireless network nodes are disconnected. User should be aware that while the wireless configuration is in AP mode. The radio off will cause the sub network which belongs to the AP to be disconnected with internet/intranet. Disable Adapter Stop wireless USB device.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manual 18E. Status Bar The hints or status of the management GUI are presented in the status bar. 4.2 Station Mode The following explanations focus on the properties area. Infrastructure and Ad-Hoc With both Infrastructure and Ad-Hoc types, the properties should look like the picture above. Six property pages present different information of current wireless network status. Please read the following explanations before you reviewing these pages, it could help you to well understand the wireless environment around the system. It is easy to use to switch property pages just by clicking left button of mouse on the title of each page. The following six sections describe detailed information of each page.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manua 19A. General Page This page represents the general information of this adapter. 1. Status The status of station connection to AP. 2. Speed Current transition speed in Mbps (Mega-Bits-Per-Second). 3. Type Current wireless LAN configuration type. 4. Encryption Current encryption mode used. 5. SSID Name of wireless network. 6. Signal Strength The average signal quality of packets received from wireless network. We recommend connecting AP with over 70% signal strength. 7. Throughput Diagram Current throughput, including transmission (Tx) and total traffic (Total).

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manua 234. Fragment Threshold The threshold of fragment length. Higher threshold increase data transition performance with good signal quality. However, in a poor signal quality environment, data throughput might be worse on high fragment threshold than low fragment threshold. 5. RTS Threshold Threshold of Request To Send mechanism. The RTS frame will not send out until the packet size over threshold. 6. WOL (Wake On LAN) The wake-on-LAN is applied for remote control purpose. You could wake up a system through network packets. For Wireless LAN USB Adapter, only the same adapter on another system could wake it up. Input MAC Address: the six two-digit numbers of Wireless LAN USB Adapter on target system. Wake Up: click this button to wake it up . 7. Set Defaults Restore the default value to be current settings. 8. Apply Apply the current settings to GUI. C. Status Page

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manual 241. NDIS Driver Version: Driver version 2. Short Radio Header: Yes 3. Encryption: Current encryption mode. 4. Authenticate: Authentication state 5. Channel Set: Selected channel plan currently. 6. MAC Address: MAC address of this adapter. 7. Data Rate: Wireless LAN transition speed 8. Channel (Frequency): Current channel number 9. Status: Wireless network status 10. SSID: Name of connecting AP 11. Network Type: Indicate current network configuration type 12. Power Save Mode: Current setting power save mode 13. Associated AP MAC: MAC address of connecting AP 14. Up Time (hh:mm:ss): Total connection time F. Statistics Page You could watch the Tx/Rx status of current wireless connection. This page shows a statistic analysis of packet transition.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manua 254.3 Access Point Mode A. General Page This page provides general information of this AP, including name, MAC address and list of joined stations. 1. SSID The name of this AP. 2. BSSID Six two-digital numbers of the MAC address of this AP. 3. Association Table It is the list of joined stations to this AP. 4. AID (Association ID) The AID field is a value assigned by an AP during association that represents 16-bit ID of a station. It is a unique value assigned by AP. 5. MAC address It is the six two-digit numbers that assemble the MAC address of respected joined station.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manual 266. Life Time It is the timer that counts down from 10 minutes whenever the AP connects the station successfully. If an STA associated to SW AP does not have any interaction with the AP in 10 minutes, it will be disassociated from the Infra-structure BSS. 7. Configuration A dialog of this AP is shown for configuration modification. 7.1. Network Name (SSID) Name of the AP searchable by other wireless nodes. The length of SSID should be shorter than 32 characters. 7.2. Channel Select the wireless channel within current channel plan.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manua 277.3. Network Authentication & Data Encryption There are three types of authentication: z Open System It is combined with data encryption type to be WEP or to be disabled. Encryption ~ disabled: you decide to open this AP to every one without network authentication. Encryption ~ WEP: you decide to setup the basic data encryption with a defined network key. z Shared Key + WEP You decide to apply both authentication and data encryption to prevent unauthorized login. z WPA-PSK + TKIP & WPA2-PSK + TKIP The most advanced authentication and data encryption that provide the best security protection. 7.4. ASCII/ PASSPHRASE The most advanced authentication and data encryption that provide the best security protection. z ASCII: You should provide either 5 or 13 ASCII characters on Network key edit box. z PASSPHRASE: You could input words on Network Key edit box. 64 bits: The generated pass key is 64-bit to be complied with data packets. 128 bits: The generated pass key is 128-bit to be complied with data packets. z Hexadecimal: While both ASCII and PASSPHRASE are not checked, you should input hexadecimal number in the network key box. For example, 10 digits hex number for 64-bit WEP or 26 digits hex number for 128-bit WEP. 7.5. Key index (1 ~4) At most four key index to represent the opposite network key.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manual 28B. Advanced Page Users could setup the advanced characteristics of network packet for transmission on this page. 1. Beacon Interval This filed indicates the interval between each beacon that this AP sends out in unit of TU (1024 micro-seconds). 2. DTIM Period The DTIM Period field is the number of Beacon intervals between successive DTIMs. 3. Preamble Mode z Long: higher quality but with lower performance than preamble short mode. z Short: Normal quality but with higher performance then preamble long mode.

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manua 29C. Statistics Page The Tx/Rx status of current wireless connection is shown. A statistic analysis of packet transition is listed. D. ICS Page

4. WLAN: Wireless LAN Management GUI AirLive WN-370USB User’s Manual 301. Con Name List all network connections to this system. You can pick up one from the listed item(s) whose network domain you would want to connect to. 2. Apply Execute the current settings.

5. Appendix AirLive WN-370USB User’s Manua 315 5. Appendix 5.1 Troubleshooting Q: The LED is off. A: Make sure the PC Card is inserted properly. Otherwise contact your vendor. Q: The LED is always on not blinking. A: Make sure that you have installed the driver from attached CD. Otherwise contact your vendor. Q: The LED is blinking but the PC Card icon does not appear in your icon tray. A: Make sure that you have installed the Utility from the attached CD. Q: The PC Card is linking, but can’t share files with others. A: Make sure the file and printer sharing function is enabled. You can enable the function by checking the icon of My Computer -> Control Panel -> Network -> file and printer sharing -> I want to be able to give others to access to my files. Q: Slow or poor performance under AP mode A: Try to select another channel for the communicating group or move your device closer to the Access Point.

5. Appendix AirLive WN-370USB User’s Manual 325.2 Glossary IEEE 802.11 Standard The IEEE 802.11 Wireless LAN standards subcommittee, which is formulating a standard for the industry. Access Point An internetworking device that seamlessly connects wired and wireless networks together. Ad Hoc An Ad Hoc wireless LAN is a group of computers, each with a WLAN adapter, connected as an independent wireless LAN Ad Hoc wireless LAN is applicable at a departmental scale for a branch or SOHO operation. BSSID A specific Ad Hoc LAN is called a Basic Service Set (BSS). Computers in a BSS must be configured with the same BSSID. DHCP Dynamic Host Configuration Protocol - a method in which IP addresses are assigned by server dynamically to clients on the network. DHCP is used for Dynamic IP Addressing and requires a dedicated DHCP server on the network. Direct Sequence Spread Spectrum This is the method the wireless cards use to transmit data over the frequency spectrum. The other method is frequency hopping. Direct sequence spreads the data over one frequency range (channel) while frequency hopping jumps from one narrow frequency band to another many times per second. ESSID An Infrastructure configuration could also support roaming capability for mobile workers. More than one BSS can be configured as an Extended Service Set (ESS). Users within an ESS could roam freely between BSSs while served as a continuous connection to the network wireless stations and Access Points within an ESS must be configured with the same ESSID and the same radio channel. Ethernet Ethernet is a 10/100Mbps network that runs over dedicated home/office wiring. Users must be wired to the network at all times to gain access. Gateway A gateway is a hardware and software device that connects two dissimilar systems, such as a LAN and a mainframe. In Internet terminology, a gateway is another name for a router. Generally a gateway is used as a funnel for all traffic to the Internet

5. Appendix AirLive WN-370USB User’s Manua 33IEEE Institute of Electrical and Electronics Engineers Infrastructure. An integrated wireless and wired LAN is called an Infrastructure configuration. Infrastructure is applicable to enterprise scale for wireless access to central database, or wireless ISM Band The FCC and their counterparts outside of the U.S. have set aside bandwidth for unlicensed use in the so-called ISM (Industrial, Scientific and Medical) band. Spectrum in the vicinity of 2.4 GHz, in particular, is being made available (Industrial, Scientific and Medical) band. Spectrum in the vicinity of 2.4 GHz, in particular, is being made available of users around the globe. Local Area Network (LAN) A LAN is a group of computers, each equipped with the appropriate network adapter card connected by cable/air, that share applications, data, and peripherals. All connections are made via cable or wireless media, but a LAN does not use telephone services. It typically spans a single building or campus. Network A network is a system of computers that is connected. Data, files, and messages can be transmitted over this network. Networks may be local or wide area networks. Protocol A protocol is a standardized set of rules that specify how a conversation is to take place, including the format, timing, sequencing and/ or error checking. SSID A Network ID unique to a network. Only clients and Access Points that share the same SSID are able to communicate with each other. This string is case-sensitive. Static IP Addressing A method of assigning IP addresses to clients on the network. In networks with Static IP address, the network administrator manually assigns an IP address to each computer. Once a Static IP address is assigned, a computer uses the same IP address every time it reboots and logs on to the network, unless it is manually changed. Temporal Key Integrity Protocol (TKIP) The Temporal Key Integrity Protocol, pronounced tee-kip, is part of the IEEE 802.11i encryption standard for wireless LANs. TKIP is the next generation of WEP, the Wired Equivalency Protocol, which is used to secure 802.11 wireless LANs. TKIP provides per-packet key mixing, a message integrity check and a re-keying mechanism, thus fixing the flaws of WEP.

5. Appendix AirLive WN-370USB User’s Manual 34Transmission Control Protocol / Internet Protocol (TCP/IP) TCP/IP is the protocol suite developed by the Advanced Research Projects Agency (ARPA). It is widely used in corporate Internet works, because of its superior design for WANs. TCP governs how packet is sequenced for transmission the network. The term “TCP/IP” is often used generically to refer to the entire suite of related protocols. Transmit / Receive The wireless throughput in Bytes per second averaged over two seconds. Wi-Fi Alliance The Wi-Fi Alliance is a nonprofit international association formed in 1999 to certify interoperability of wireless Local Area Network products based on IEEE 802.11 specification. The goal of the Wi-Fi Alliance’s members is to enhance the user experience through product interoperability. The organization is formerly known as WECA. Wi-Fi Protected Access (WPA) The Wi-Fi Alliance put together WPA as a data encryption method for 802.11 wireless LANs. WPA is an industry-supported, pre-standard version of 802.11i utilizing the Temporal Key Integrity Protocol (TKIP), which fixes the problems of WEP, including using dynamic keys. Wide Area Network (WAN) A WAN consists of multiple LANs that are tied together via telephone services and / or fiber optic cabling. WANs may span a city, a state, a country, or even the world Wired Equivalent Privacy (WEP) Now widely recognized as flawed, WEP was a data encryption method used to protect the transmission between 802.11 wireless clients and APs. However, it used the same key among all communicating devices. WEP’s problems are well-known, including an insufficient key length and no automated method for distributing the keys. WEP can be easily cracked in a couple of hours with off-the-shelf tools. Wireless LAN (WLAN) A wireless LAN does not use cable to transmit signals, but rather uses radio or infrared to transmit packets through the air. Radio Frequency (RF) and infrared are the commonly used types of wireless transmission. Most wireless LANs use spread spectrum technology. It offers limited bandwidth, usually under 11Mbps, and users share the bandwidth with other devices in the spectrum; however, users can operate a spread spectrum device without licensing from the Federal Communications Commission (FCC).

5. Appendix AirLive WN-370USB User’s Manua 35Fragment Threshold The proposed protocol uses the frame fragmentation mechanism defined in IEEE 802.11 to achieve parallel transmissions. A large data frame is fragmented into several fragments each of size equal to fragment threshold. By tuning the fragment threshold value, we can get varying fragment sizes. The determination of an efficient fragment threshold is an important issue in this scheme. If the fragment threshold is small, the overlap part of the master and parallel transmissions is large. This means the spatial reuse ratio of parallel transmissions is high. In contrast, with a large fragment threshold, the overlap is small and the spatial reuse ratio is low. However high fragment threshold leads to low fragment overhead. Hence there is a trade-off between spatial re-use and fragment overhead. Fragment threshold is the maximum packet size used for fragmentation. Packets larger than the size programmed in this field will be fragmented If you find that your corrupted packets or asymmetric packet reception (all send packets, for example). You may want to try lowering your fragmentation threshold. This will cause packets to be broken into smaller fragments. These small fragments, if corrupted, can be resent faster than a larger fragment. Fragmentation increases overhead, so you'll want to keep this value as close to the maximum value as possible. RTS (Request To Send) Threshold The RTS threshold is the packet size at which packet transmission is governed by the RTS/CTS transaction. The IEEE802.11-1997 standard allows for short packets to be transmitted without RTS/CTS transactions. Each station can have a different RTS threshold. RTS/CTS is used when the data packet size exceeds the defined RTS threshold. With the CSMA/CA transmission mechanism, the transmitting station sends out an RTS packet to the receiving station, and waits for the receiving station to send back a CTS (Clear to Send) packet before sending the actual packet data. This setting is useful for networks with many clients. With many clients, and a high network load, there will be many more collisions. By lowering the RTS threshold, there may be fewer collisions, and performance should improve. Basically, with a faster RTS threshold, the system can recover from problems faster. RTS packets consume valuable bandwidth, however, so setting this value too low will limit performance. Beacon Interval In addition to data frames that carry information from higher layers, 802.11 include management and control frames that support data transfer. The beacon frame, which is a type of management frame, provides the "heartbeat" of a wireless LAN, enabling stations to establish and maintain communications in an orderly fashion. Beacon Interval represents the amount of time between beacon transmissions. Before a station enters power save mode, the station needs the beacon interval to know when to wake up to receive the beacon (and learn whether there are buffered frames at the access point).

5. Appendix AirLive WN-370USB User’s Manual 36Preamble Type There are two preamble types defined in IEEE 802.11 specification. A long preamble basically gives the decoder more time to process the preamble. All 802.11 devices support a long preamble. The short preamble is designed to improve efficiency (for example, for VoIP systems). The difference between the two is in the Synchronization field. The long preamble is 128 bits, and the short is 56 bits. WPA2 It is the second generation of WPA. WPA2 is based on the final IEEE 802.11i amendment to the 802.11 standard. Temporal Key Integrity Protocol (TKIP) The Temporal Key Integrity Protocol, pronounced tee-kip, is part of the IEEE 802.11i encryption standard for wireless LANs. TKIP is the next generation of WEP, the Wired Equivalency Protocol, which is used to secure 802.11 wireless LANs. TKIP provides per-packet key mixing, a message integrity check and a re-keying mechanism, thus fixing the flaws of WEP. 802.1x Authentication 802.1x is a framework for authenticated MAC-level access control, defines Extensible Authentication Protocol (EAP) over LANs (WAPOL). The standard encapsulates and leverages much of EAP, which was defined for dial-up authentication with Point-to-Point Protocol in RFC 2284. Beyond encapsulating EAP packets, the 802.1x standard also defines EAPOL messages that convey the shared key information critical for wireless security. Advanced Encryption Standard (AES) Security issues are a major concern for wireless LANs, AES is the U.S. government’s next-generation cryptography algorithm, which will replace DES and 3DES.

Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures: . Reorient or relocate the receiving antenna. . Increase the separation between the equipment and receiver. . Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. . Consult the dealer or an experienced radio/TV technician for help. FCC Caution: To assure continued compliance, any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. (Example - use only shielded interface cables when connecting to computer or peripheral devices). FCC Radiation Exposure Statement This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. The antennas used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.

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