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Wireless Home Networking - Index of

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92<br />

Part II: Making Plans<br />

You may run across APs from well-known companies, such as Cisco (not from<br />

Cisco’s Linksys brand, but labeled as “Cisco” APs) and 3COM, that are significantly<br />

more expensive than the devices typically purchased for home use.<br />

These “industrial-strength” products include advanced features and come<br />

with management s<strong>of</strong>tware that enables corporate IT departments to efficiently<br />

and securely deploy enterprise-level wireless networks. The underlying<br />

technology, including the speed and the range <strong>of</strong> the wireless radios<br />

used, are essentially the same as those used in the economically priced APs<br />

in most wireless home networks. But the additional features and capabilities<br />

<strong>of</strong> these enterprise-level products save IT personnel countless hours and<br />

headaches rolling out dozens <strong>of</strong> APs in a large wireless network.<br />

Pricing wireless network adapters<br />

<strong>Wireless</strong> network adapters range from $25 to $125, depending on whether<br />

you purchase 802.11a, b, g, or n technology and whether you purchase a<br />

PC Card, USB, or internal variety <strong>of</strong> adapter.<br />

Like APs, wireless network adapters that support multiple standards are<br />

somewhat more expensive than their counterparts. An 802.11a/b/g/n card<br />

costs between $45 and $100. Most notebook computers sold are equipped<br />

with at least b/g wireless built into them, and you can order them with<br />

a/b/g/n internal cards for about the same price as buying a quad standard<br />

card. You can find the Linksys WLAN-WPC4400N quad-standard card at a<br />

street price <strong>of</strong> $105 as we went to press. Wow!<br />

Looking at a sample budget<br />

Table 4-2 shows a reasonable hardware budget to connect a laptop computer,<br />

and a home desktop computer, and a cable Internet connection to an 802.11n<br />

wireless home network.<br />

Table 4-2 An 802.11n or g <strong>Wireless</strong> <strong>Home</strong> Network Budget<br />

Item Price Range Quantity Needed<br />

Access point $35–$125 1<br />

<strong>Wireless</strong> network adapters $25–$100 2<br />

Network cable $10–$20 1<br />

Cable or DSL modem (optional) $75–$100 1

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