Do you need to have a wireless networking card to use WiFi if you have the centrino?

Do you need to have a wireless networking card to use WiFi if you have the centrino?  Or will the centrino be enough to connect to wifi.  Why would I need a wireless networking card if I have the centrino?  
abstractionzAsked:
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Gary DewrellConnect With a Mentor Senior Network AdministratorCommented:
First, Centrino is not a just a processor. Centrino combines several thins that make mobile computing easier. Thins like the Intel Pentium M processor,  Built-in Wireless, extended battery life, etc..  See here for more details:

http://www.intel.com/products/mobiletechnology/centrino/index.htm?iid=ipp_mobiletech+detl&

A PC that is Centrino enabled includes an Intel  PRO/Wireless Network connection inbedded.

See here for more informatin on the Intel PRO/Wireless

http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm

But to answer your question, if the PC you are buying has Centrino Technology, you should not have to purchase another wireless card.
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Gary DewrellSenior Network AdministratorCommented:
Hi abstractionz,
If your laptop has built in Centrino Technology, then you already have wireless bult in. However you do need something for that wireless to connect to. So you wil need a wireless Access Point (AP) or wireless router that is then connected to your internet connenction.

God Bless
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abstractionzAuthor Commented:
So what would be the point of buying a wireless networking card?  I'm building a dell system online that has the centrino processor, and one of the options is for a wireless networking card.
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