Wireless cards for a desktop computer can be purchases at any computer store, either online at MacMall, PCMall or NewEgg, or in a brick and mortar store such as Best Buy or Fry's Electronics.
Yes, it's. You have to purchase either a PCI wireless card (you will have to open the computer case to install it) or USB wireless adapter (which is easier to install, just put it one of usb ports).
You can buy the Microsoft wireless optical desktop 1000 mouse directly from Microsoft, or from various retailers. Another option is to buy it from websites such as Amazon.
If you mean a wireless network connection - you should buy a WiFi adapter (USB or PCI or PCI-e), install it in your computer and then set-up a new network connection. If you mean wireless as no-cable-power - there is a problem. Desktop computer uses much more power than laptop and no battery can power it for a time longer than few minutes.
Yes, you can. You need to get a wireless adapter which you can get now for $20-30 and more with free shipping. Install it and have with wireless networking.
A person can expect to purchase a Linksys WMP45GC wireless G PCI card with a speedbooster from the individuals local internet provider or a electronics store.
If your computer soes not have a network card installed you will need tp purchase one.
An example of a broadband wireless card are the internet dongles such as the Sierra wireless card which one can buy to let one connect to a wireless internet connection
There are a number of places one can purchase a travel wireless router. You may also want to look at a network card. I would recommend Amazon because of the wide selection available.
You need to purchase a wireless router and then you need to get either a wireless USB adaptor and you plug it in to any USB port, or a wireless PCI adaptor, which you put in inside the side panel in one of the white slots.
There are many places where one can purchase a wireless media streamer. One can purchase a wireless media streamer from popular on the web sources such as Amazon and eBay.
There are many places where one can purchase a wireless BBQ thermometer. One can purchase wireless BBQ thermometers at places like Walmart, Kmart, Target, and Amazon.
You can purchase a network card that has wireless capabilities or you can get one that is wired. Some cards have memory of 11, 54 or 100Mbps which will effect the speed.