Linksys WPC4400N manual Planning your Wireless Network, Network Topology, Roaming

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Wireless-N Business Notebook Adapter

Chapter 2: Planning your Wireless Network

Network Topology

A wireless network is a group of computers, each equipped with one wireless adapter. Computers in a wireless network must be configured to share the same radio channel. Several PCs equipped with wireless cards or adapters can communicate with each another to form an ad-hoc network.

Linksys wireless adapters also provide users access to a wired network when using an access point or wireless router. An integrated wireless and wired network is called an infrastructure network. Each wireless PC in an infrastructure network can talk to any computer in a wired network infrastructure via the access point or wireless router.

An infrastructure configuration extends the accessibility of a wireless PC to a wired network, and can double the effective wireless transmission range for two wireless adapter PCs. Since an access point is able to forward data within a network, the effective transmission range in an infrastructure network can be doubled.

Roaming

Infrastructure mode also supports roaming capabilities for mobile users. Roaming means that you can move your wireless PC within your network and the access points will pick up the wireless PC's signal, if they both share the same channel and SSID.

Before you consider roaming, choose a feasible radio channel and optimum access point position. Proper access point positioning combined with a clear radio signal will greatly enhance performance.

topology: the physical layout of a network.

access point: a device that allows wireless- equipped computers and other devices to communicate with a wired network

ad-hoc: a group of wireless devices communicating directly with each other (peer- to-peer) without the use of an access point.

infrastructure: a wireless network that is bridged to a wired network via an access point.

roaming: the ability to take a wireless device from one access point's range to another without losing the connection.

ssid: your wireless network's name.

Chapter 2: Planning your Wireless Network

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Network Topology

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Contents Wireless-N Business Notebook Adapter Copyright and Trademarks How to Use this User GuideTable of Contents Windows XP Wireless Zero Configuration Front Panel List of Figures10 Creating Profiles Manual Setup Network Settings 44 Administration Modify Access Point Account Welcome IntroductionWhat’s in this User Guide? Wireless-N Business Notebook Adapter Roaming Planning your Wireless NetworkNetwork Topology Network Layout LED Indicators Getting to Know the Wireless-N Business Notebook AdapterSetup Wizard’s License Agreement Starting the SetupSetting up the Adapter Connecting the AdapterWPA-Personal WEPCongratulations WPA2-PersonalCreating a Profile Manual Setup11 Ad-Hoc Mode Settings 13 Wireless Security WPA Personal EAP-TLS WPA EnterpriseWPA2 Enterprise 17 Wireless Security WPA2 Enterprise-EAPRadius Leap Link Information Using the Wireless Network MonitorAccessing the Wireless Network Monitor Using the Wireless Network MonitorsStatus Link Information Wireless Network StatusStatistics Link Information Wireless Network StatisticsProfile Information ProfilesCreate a New Profile Creating Profiles Available Wireless NetworkCreating Profiles Congratulations 10 Creating Profiles Manual Setup Network Settings 12 Creating Profiles Manual Setup Wireless Security WEP WPA Personal WPA Enterprise WPA2 Enterprise Radius 21 Creating Profiles Manual Setup Wireless Security Leap 23 Creating Profiles Manual Setup Congratulations Editing a Profile 25 Editing Profiles Ad Hoc ModeWEP 28 Editing Profiles Wireless Security WPA Personal 30 Editing Profiles Wireless Security WPA Enterprise EAP-TLS 33 Editing Profiles Wireless Security WPA2 Enterprise Peap Radius EAP-TLS Leap 39 Editing Profiles Congratulations Site Information Site SurveyAdministration TroubleshootingLog in as the Access Points administrator Access Point AccountSecurity Monitor Account 45 Administration Security Monitor AccountAdministration Login Security Monitor Account Administrative Functions in the Wireless Network MonitorClassification ClassificationTrusted MAC Addresses Advanced SettingsAllowed Ssid Configuration Allowed Vendor List ConfigurationAllowed Channel Configuration AP Inventory Security MonitorChannel Usage Alert List Client Inventory14 Security Monitor POP-UP Alert Alert InformationWindows Firewall AdviceCommon Problems and Solutions Appendix a TroubleshootingWhat is 802.11n standard? Frequently Asked QuestionsWhat Ieee 802.11g features are supported? What is ISM band? Windows XP Wireless Zero Configuration Appendix B Windows XP Wireless Zero ConfigurationFigure B-4 Available Wireless Network Figure B-6 Network Connection Wireless Security Figure C-1 Advanced Tab Appendix C Wireless-N InteroperabilitySecurity Threats Facing Wireless Networks Appendix D Wireless SecuritySecurity Precautions Appendix D Wireless Security Wireless-N Business Notebook Adapter Network Neighborhood/My Network Places Appendix E Windows HelpShared Resources Appendix F Glossary Wireless-N Business Notebook Adapter Wireless-N Business Notebook Adapter Wireless-N Business Notebook Adapter Wireless-N Business Notebook Adapter Tolerance +/- 1.5dB Appendix G SpecificationsAuthentication StandardsUnit Weight 76 oz 0.05 kg Certifications DimensionsLimited Warranty Appendix H Warranty InformationFCC Statement Appendix I Regulatory InformationWireless-N Business Notebook Adapter Wireless-N Business Notebook Adapter Wireless-N Business Notebook Adapter Wireless-N Business Notebook Adapter Wireless-N Business Notebook Adapter Appendix J Contact Information

WPC4400N specifications

The Linksys WPC4400N is a wireless networking card that epitomizes the fusion of advanced technology and user-friendly design, intended primarily for laptops and desktop computers. This product stands out for its compatibility with the IEEE 802.11n standard, which promises improved wireless coverage and higher data transfer speeds compared to its predecessors.

One of the most significant features of the WPC4400N is its dual-band capability. Operating on both the 2.4GHz and 5GHz frequency bands, it allows users to choose the optimal frequency for their needs. The 2.4GHz band offers extended range, making it ideal for general browsing and streaming, whereas the 5GHz band provides increased speed, making it perfect for high-bandwidth activities such as gaming and video conferencing.

Incorporating MIMO (Multiple Input Multiple Output) technology, the WPC4400N enhances wireless performance by using multiple antennas to transmit and receive data simultaneously. This results in a more stable connection and a significant boost in throughput. MIMO technology ensures that users experience fewer drops in connectivity and improved speeds, even when multiple devices are connected to the network.

Additionally, the WPC4400N supports backward compatibility with the 802.11b and 802.11g standards. This feature ensures that users can connect to older routers and devices seamlessly, providing flexibility and convenience in mixed-device environments. The card is equipped with a simple installation process, making it easy for users to set up their network connection without requiring extensive technical knowledge.

The WPC4400N also prioritizes security, featuring advanced encryption protocols such as WPA2, which safeguards user data from potential threats. The device’s robust security features help protect sensitive information when used in public networks, making it a reliable choice for both home and business users.

In summary, the Linksys WPC4400N is a versatile wireless networking card that combines dual-band connectivity, MIMO technology, backward compatibility, and strong security measures. These characteristics make it an excellent choice for users who demand high-performance wireless connections in a variety of settings. Whether for streaming, gaming, or day-to-day internet use, the WPC4400N is designed to deliver a seamless and efficient networking experience.
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