The network adapter that you need to connect to your laptop would be the Ethernet or the wireless USB that plugs into your laptop. You can go online and look for some of those products at Wal-Mart.
If you ever plan to connect your laptop to a wired network, you will need an ethernet adapter. If you never plan to plug it in to a network or if you will always use wireless, an ethernet adapter is not necessary.
If you are talking about building of wireless network. Then you need a wireless router and a wireless network adapter (if you have a laptop you might not need it). If you have a desktop you rather will have to purchase a wireless network adapter. Pay attention to what kind of wireless network you are going to build. It can be a, b, g, and n types.
Wireless network adapter.
I set up my obsolete laptop as a temporary wifi hotspot. If that is what you are asking, then yes.
Yes, it is possible to use a laptop as a wireless bridge for xbox live.
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The Wireless Network Adapter WUSB300N is a device that lets you connect your laptop to the Internet. It is plugged into a USB port and will connect you by tapping into the nearest Internet signal.
Yes, the wireless network adapter allows you to connect wireless with any device supporting it. Laptop come with network card and for old PC you have to buy it.
Yes. You need a wireless network adapter card in your laptop or computer and a wireless router
If your laptop is equipped with a USB port (most are) then virtually any USB wireless adapter will work.
The network adapter
There are many online shops that sell wireless USB network adapter. Amazon.com is one of online shop that sells wireless USB network adapter with any kind of models. You can visit www.amazon.com