Wireless Internet access, sometimes referred to as a "hot spot," is a local area network (LAN) run by radio waves rather than wires. Wireless Internet access is broadcast from a central hub, which is a hard-wired device that actually brings in the Internet connection. The hub, located at the main computer system or server, broadcasts Internet connectivity to clients, which is basically anyone within receiving range who is equipped with a wireless LAN card.
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In the home, a desktop system setup for wireless Internet access will broadcast connectivity throughout the immediate area. Any family member with a laptop or desktop in another room can connect wirelessly to the Internet to share the main connection. Neighbors may also be able to access this wireless connection, which is why most wireless LANs are configured with password security. In this case, any machine that wishes to get wireless Internet access must first complete a "handshake" with the LAN, in which the password is requested. If the proper password is not supplied, access is denied. Security protocols for wireless Internet access have improved with Wi Fi Protected Access (WPA) and Wi Fi Protected Access 2 (WPA2) options.

While wireless Internet access is very convenient in the home, it