Gateway 300x User Guide

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Introduction to networking

The most common way to set up a wireless Ethernet network is Dynamic Host Control 
Protocol (DHCP) using a wireless access point router.

A DHCP network configuration uses 

an access point router to automatically assign IP addresses to each computer or network 
device.

By using an access point, you can join a wireless Ethernet network and access a wired 
Ethernet network.

The following is an example of an access point wireless Ethernet network that shows how 
an access point also lets you access the Internet. The network is made up of an access point, 
a cable or DSL modem, and your computers. The access point is the central control point 
for the network. Attached to the access point is the cable or DSL modem that provides 
access to the Internet. Each of the computers or Ethernet-ready devices communicate with 
the access point using radio waves. If your computer does not have a built-in wireless 
Ethernet emitter, you need to add a wireless PCI card (desktop), PC card (notebook), or 
USB adapter.

IEEE 802.11g

54 Mbps

2.4 GHz

■

Compatible with 
IEEE 802.11b 
networks

■

Longer range (100 
to 150 feet) than 
IEEE 802.11a

■

Possible 
interference from 
cordless 
telephones and 
microwaves

■

Not compatible 
with 
IEEE 802.11a 
networks

The speed of a wireless network is related to signal strength. Signal 
strength is affected by the distance between your wireless network 
devices, by radio interference, and by interference from natural 
obstructions such as walls, floors, and doors.