Linksys WRT54G3G-AT What is DSSS? What is FHSS? And what are their differences?, What is WEP?

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Wireless-G Router for Mobile Broadband

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).

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, 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.

What is WEP?

WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 64-bit or 128-bit shared key algorithm, as described in the IEEE 802.11 standard.

What is a MAC Address?

The Media Access Control (MAC) address is a unique number assigned by the manufacturer to any Ethernet networking device, such as a network adapter, that allows the network to identify it at the hardware level. For all practical purposes, this number is usually permanent. Unlike IP addresses, which can change every time a computer logs onto the network, the MAC address of a device stays the same, making it a valuable identifier for the network.

How do I reset the Router?

Press the Reset button on the back panel for about five seconds. This will reset the Router to its default settings.

How do I resolve issues with signal loss?

There is no way to know the exact range of your wireless network without testing. Every obstacle placed between the Router and a wireless PC will create signal loss. Lead glass, metal, concrete floors, water and walls will inhibit the signal and reduce range. Start with the Router and your wireless PC in the same room and move it away in small increments to determine the maximum range in your environment.

You may also try using different channels, as this may eliminate interference affecting only one channel. I have excellent signal strength, but I cannot see my network.

Wireless security is probably enabled on the Router, but not on your wireless adapter (or vice versa). Verify that the same wireless security method and passphrase/keys are being used on all devices of your wireless network.

Appendix A: Troubleshooting

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Frequently Asked Questions

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Contents 802 GHz .11g Wireless- G Word definition How to Use This User GuideCopyright and Trademarks Table of Contents Appendix C Upgrading Firmware Appendix D Windows Help Appendix a TroubleshootingAppendix B Wireless Security Common Problems and Solutions Frequently Asked QuestionsRouter’s Ports List of Figures17 Setup Tab Advanced Routing Gateway 51 Status Tab Local Network Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband Welcome IntroductionWhat’s in this User Guide? Wireless-G Router for Mobile Broadband Network Topology Planning Your Wireless NetworkAd-Hoc versus Infrastructure Mode Ssid service set identifier your wireless network’s namePlanning Your Wireless Network Network Layout Router’s Ports Getting to Know the Wireless-G Router for Mobile BroadbandRouter’s LEDs are located on the Router’s other side panel Router’s LEDsRouter’s Data Card Slot Overview Connecting the Wireless-G Router for Mobile BroadbandConnect Your Computer Hardware Installation for Connection to Your Broadband Modem Connect the Power Diagram for Connection to Another Router Hardware Installation for Connection to Another RouterConnect Your Computer Stand Option Placement Options11 Measurement between Wall-Mount Slots Wall-Mount OptionPassword Screen Configuring the Wireless-G Router for Mobile BroadbandStatus Setup Tab Basic SetupMobile Network Setup Internet SetupStatic IP Connection Type L2TP Connection Type Optional SettingsRouter IP Network SetupDhcp Server Settings Network Address Server Settings Dhcp12 Time Setting Time SettingAPN Configuration Setup Tab Mobile NetworkMobile Network Connection Mode Data Card Status Mobile Network StatusTZO.com Setup Tab DdnsDynDNS.org MAC Clone Setup Tab MAC Address CloneStatic Routing Setup Tab Advanced RoutingAdvanced Routing Dynamic RoutingWireless Network Wireless Tab Basic Wireless SettingsWireless Security Wireless Tab Wireless SecurityAES 26 Wireless Tab Wireless Security Radius Wireless MAC Filter Wireless Tab Wireless MAC FilterAdvanced Wireless Wireless Tab Advanced Wireless SettingsWireless-G Router for Mobile Broadband Block WAN Requests Security Tab FirewallFirewall Security Tab VPN Passthrough Access Restrictions Tab Internet AccessInternet Access To create an Internet Access policy34 Internet Policy Summary Port Range Forward Applications and Gaming Tab Port Range ForwardForwarded Range Applications & Gaming Tab Port TriggeringPort Triggering Triggered RangeDevice Priority Wired QoSApplications and Gaming Tab DMZ Applications and Gaming Tab QoSApplication Priority Wireless QoSEthernet Port Priority UPnP Administration Tab ManagementRouter Password Log Administration Tab LogTraceroute Test Administration Tab DiagnosticsPing Test Administration Tab Config Management Administration Tab Factory DefaultsAdministration Tab Firmware Upgrade 49 Status Tab Mobile Network Status Tab Mobile NetworkInternet Status Tab RouterRouter Information Local Network Status Tab Local NetworkWireless Status Tab WirelessNeed to set a static IP address on a PC Appendix a TroubleshootingCommon Problems and Solutions Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband TCP Application Start and End Protocol IP Address EnabledCan’t get the Internet game, server, or application to work My DSL service’s PPPoE is always disconnecting To start over, I need to set the Router to factory defaultNeed to upgrade the firmware Power LED keeps flashing Does the Router support IPX or AppleTalk? Frequently Asked QuestionsWhere is the Router installed on the network? Is IPSec Pass-Through supported by the Router?How can I avoid corrupted FTP downloads? If all else fails in the installation, what can I do?How will I be notified of new Router firmware upgrades? Is the Router cross-platform compatible? What is DMZ Hosting?What are the advanced features of the Router? Will the Router function in a Macintosh environment?What Ieee 802.11b features are supported? What is the Ieee 802.11g standard?What is the Ieee 802.11b standard? What Ieee 802.11g features are supported?What is Spread Spectrum? What is infrastructure mode?What is roaming? What is ISM band?How do I reset the Router? What is DSSS? What is FHSS? And what are their differences?What is WEP? What is a MAC Address?How do I connect to the mobile network? What do the indicator LEDs signify on the Router?Whom should I call if there is a question or problem? How do I know which mobile network I am using?Security Threats Facing Wireless Networks Appendix B Wireless SecuritySecurity Precautions Appendix B Wireless Security Wireless-G Router for Mobile Broadband Appendix C Upgrading Firmware Figure C-1 Upgrade FirmwareNetwork Neighborhood/My Network Places Appendix D Windows HelpShared Resources For the Router’s Web-based Utility Windows 2000 or XP InstructionsFigure E-4 MAC Address Filter List Appendix F Glossary Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband Appendix G Specifications FCC, IC-03, CE, Wi-Fi 802.11b, 802.11g, WPA Appendix H Warranty Information Appendix I Regulatory Information Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband Wireless-G Router for Mobile Broadband

WRT54G3G-AT specifications

The Linksys WRT54G3G-AT is an advanced wireless router known for its versatility and robust performance in various networking environments. Designed particularly for users who require both wireless and mobile broadband connectivity, this device integrates several key features to cater to the needs of home users and small businesses alike.

One of the standout characteristics of the WRT54G3G-AT is its dual-connectivity option. It not only supports traditional broadband connections through DSL or cable but also offers 3G connectivity, making it ideal for users in areas where wired broadband options are limited or unreliable. With the ability to connect a compatible 3G USB modem, users can maintain internet access even during outages, ensuring continuous connectivity.

The WRT54G3G-AT utilizes the 802.11g wireless standard, providing speeds of up to 54 Mbps. This allows for efficient data transfer and seamless streaming, making it suitable for tasks such as online gaming and video conferencing. Its wireless range is optimized for both indoor and outdoor use, effectively covering medium-sized homes or office spaces without the need for additional access points.

Security is a crucial aspect of any networking device, and the WRT54G3G-AT incorporates advanced features to protect users' data. It supports security protocols such as WPA and WPA2, shielding against unauthorized access and ensuring that sensitive information remains secure. Additionally, the router offers a built-in firewall that adds another layer of protection against potential threats.

Another notable feature of the WRT54G3G-AT is its ease of installation and configuration. With a user-friendly web-based interface, even those with limited technical knowledge can set up the device without hassle. The installation process is streamlined, allowing users to quickly personalize their settings and connect their devices.

The router also includes a range of management tools, allowing users to monitor their network activity and optimize performance as needed. Quality of Service (QoS) settings enable users to prioritize bandwidth for specific applications, ensuring that critical tasks receive the necessary resources.

In summary, the Linksys WRT54G3G-AT is a powerful, flexible wireless router that combines traditional broadband functionality with mobile connectivity options. With robust performance features, security measures, and user-friendly management tools, it serves as an excellent choice for anyone seeking reliable internet access in a variety of environments.
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