Appendix D

Wireless Networking Basics

This chapter provides an overview of Wireless networking.

Wireless Networking Overview

The DG834G wireless router conforms to the Institute of Electrical and Electronics Engineers (IEEE) 802.11g standard for wireless LANs (WLANs). On an 802.11g wireless link, data is encoded using direct-sequence spread-spectrum (DSSS) technology and is transmitted in the unlicensed radio spectrum at 2.5GHz. The maximum data rate for the wireless link is 54 Mbps, but it will automatically back down when the radio signal is weak or when interference is detected. Also, 802.11g and 802.11b wireless devices are compatible; however, 802.11b products operate as slower speeds than 802.11g products.

The 802.11 standard is also called Wireless Ethernet or Wi-Fi by the Wireless Ethernet Compatibility Alliance (WECA, see http://www.wi-fi.net), an industry standard group promoting interoperability among 802.11 devices. The 802.11 standard offers two methods for configuring a wireless network - ad hoc and infrastructure.

Infrastructure Mode

With a wireless Access Point, you can operate the wireless LAN in the infrastructure mode. This mode provides wireless connectivity to multiple wireless network devices within a fixed range or area of coverage, interacting with wireless nodes via an antenna.

In the infrastructure mode, the wireless access point converts airwave data into wired Ethernet data, acting as a bridge between the wired LAN and wireless clients. Connecting multiple Access Points via a wired Ethernet backbone can further extend the wireless network coverage. As a mobile computing device moves out of the range of one access point, it moves into the range of another. As a result, wireless clients can freely roam from one Access Point domain to another and still maintain seamless network connection.

Wireless Networking Basics

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NETGEAR DG834G manual Appendix D Wireless Networking Basics, Wireless Networking Overview, Infrastructure Mode
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DG834G specifications

The NETGEAR DG834G is a versatile and reliable wireless ADSL modem/router that has gained popularity among both home and small office users. Designed to offer high-speed internet connectivity and robust network capabilities, the DG834G provides an ideal solution for users looking for both performance and convenience.

One of the standout features of the DG834G is its ADSL2/2+ compatibility, supporting download speeds of up to 24 Mbps and upload speeds of up to 1 Mbps. This makes it well-suited for activities such as streaming high-definition video, online gaming, and video conferencing. The device also ensures a reliable connection, thanks to its built-in Quality of Service (QoS) capabilities, which prioritize bandwidth allocation for critical applications.

The DG834G incorporates 802.11g wireless technology, offering wireless data transfer rates of up to 54 Mbps. This allows users to connect multiple devices to the network without experiencing significant drops in speed. Additionally, the router features a range of up to 150 feet indoors and 300 feet outdoors, ensuring robust coverage for most home and small office environments.

Security is a key focus in the design of the DG834G. The router supports Wi-Fi Protected Access (WPA) and Wired Equivalent Privacy (WEP) encryption protocols, helping to safeguard the network from unauthorized access. Users can also take advantage of the device’s firewall features, such as Stateful Packet Inspection (SPI), to protect against potential online threats.

Installation and setup of the DG834G are user-friendly, featuring a web-based interface that simplifies the configuration process. This allows users to easily manage their network settings, configure parental controls, and set up guest access for visitors without compromising the primary network.

The DG834G also includes four Ethernet ports, enabling wired connections for devices that require a stable and high-speed connection, such as gaming consoles or desktop computers. This flexibility in connectivity options enhances the device’s utility for diverse networking needs.

Overall, the NETGEAR DG834G is a powerful and reliable ADSL modem/router that combines advanced features, robust security, and ease of use. Its combination of high-speed internet support and versatile connectivity options makes it an excellent choice for users looking to enhance their home or small office network.
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