Wi-Fi is an Abbreviation of Wireless Fidelity, the which has a set of standards That Is Used forhttp://www.blogger.com/img/blank.gif Local Wireless Network (Wireless Local Area Networks - WLANs), the which is based on the IEEE 802.11 specification. Standard specifications of 802.11a or b, g, Such as 802.16, is currently in preparation, specifications latest offer much improvement from a wide range of more up to speed his transfer.
Wi-Fi Originally intended for the use of wireless devices and Local Area Network (LAN), but at this time more Used to access the internet. This makes someone with a computer with a wireless card (wireless card) or personal digital assistant (PDA) to the connect to the Internet using the access point (or with a known hotspot) Nearby.
List Price USB WiFi & Wireless Networking
* USB Wifi BlueLinx BL-U80G U.S. $ 15
* USB Wifi BlueLinx BL-U83G U.S. $ 5.23
* USB Wifi Tplink TL-WN321G U.S. $ 16
* USB Wifi Dlink DWA 110 U.S. $ 30
* Dlink DIR-300 Wireless Router U.S. $ 48.2