Chapter 1: Wireless Networking www.gateway.com36Wireless networkingWireless networking is the latest advance in computer communication. With awireless home network, you can use your computer wherever you like. From thecomfort of your sofa, kitchen, or patio, you can browse the Internet, send andreceive emails, transfer files, and use your printer.A wireless network uses radio waves to communicate. Typically, a wirelessnetwork is made up of an access point, a cable or DSL modem (for Internet access),and your wireless computers.An access point is a small electronic device that serves as the central control pointfor your network. You connect your modem to the access point, set up a networkconnection, then browse the Internet, send email, share files and folders with othernetworked computers, and access other devices, like a printer or scanner.Buying wireless equipmentTips & TricksWhen you buy your access point, makesure it has:• IEEE 802.11g support. 802.11g is thefastest method for wirelesscommunications. 802.11g is compatiblewith the older IEEE 802.11b format butnot with the competing IEEE 802.11aformat. Make sure that you get thecorrect format that matches yourcomputer.• DHCP server/dynamic IP addressassignment capability that makes iteasier to set up and access your network.• Internet security features like a firewallto keep intruders out of your network.• Wireless security features likeSecureEasySetup™ or 128-bit WEPencryption.If you are not sure what to buy, check outGateway’s accessory store ataccessories.gateway.com.For a wireless network you need:■ Your Gateway computer with built-in wireless networking■ A broadband Internet connection■ An access pointCable or DSLmodemAccess point