With most usb wifi adaptersyou will have an antenna built into the stick itself. The adapter receives signals from a wireless router or other wireless device and translates the signal so the computer user can access the internet any time they are in range of a wi fi hotspot or wireless network.
Philips Pta128 Wireless Usb Adapter For Tv Pfl32 8 Series
What is a wireless usb adapter used for. This is used to pick up the signals from your wireless router. Most wireless usb lan adapters look like small usb flash drives and usually are based on the 80211g standard which provides a data rate up to 54 mbps in a wireless lan environment. Given the ubiquity of usb many folks find that interface to be the easiest. The attached wi fi adapter allows the computer to communicate wirelessly with the router and in turn the modem. The adapter transmits and receives data on a wi fi frequency and can connect the computer to any wireless network in the area provided the user knows the networks security key if any. A bluetooth usb adapter plugs into a free usb port and allows a computer to communicate with other nearby and bluetooth enables devices.
A high speed wireless network card that is used to access a network through a usb port on a computer or laptop. A usb wi fi adapter eliminates the need to hardwire the computer to a router or other network device. There may be distance limitations with this solution and it requires additional hardware and an open usb port. This type of adapter is connected to the computer through a normal usb port and it very rarely requires more than a few clicks to install. This connection potentially allows the two computers to share a usb device. A universal serial bus usb network adapter is a computer accessory that enables a wireless or standard internet connection on the computer into which it is plugged.
A usb wi fi adapter eliminates the need to hardwire the computer to a router or other network device. The adapter receives signals from a wireless router or other wireless device and translates the signal so the computer user can access the internet any time they are in range of a wi fi hotspot or wireless network. A wireless adapter connects to a single computer to allow that computer to communicate with wireless networks. These tend to work reasonably well if your computer is fairly close to the wireless router.