repeats" signals to extend their range, the distance they can travel before fading. For example, if a home has two stories, but the router is on the first floor, the extender will connect to the home's Wi-Fi routers and send Wi-Fi signals to, for example, the smartphone in the office on the second floor. In this way, both end-user devices on the first and second floor have good access to the Wi-Fi network. Extenders plug directly into electrical outlets. They are not equipped to attach to cabling. User Devices-Capacity Requirements The growing numbers of connected wireless devices require high-capacity Wi-Fi. It's not uncommon for families and students to have a total of five devices connected to Wi-Fi networks. This is an issue in student apartments where each person may have their own four or five devices. Thus, Wi-Fi networks able to support increases in wireless traffic are becoming crucial. The following is a list of wireless devices commonly used in homes, universities, and enterprises: Laptops Desktop Computers Connected environmental controls Networked light switches Cellular modems Smartphones Tablet computers Televisions Set-top boxes connected to HDTVs for streaming TV and movies from the Internet, via, for example, Roku, Comcast's Xbox, and Apple TV set-top boxes Printers Low-power medical devices used to monitor conditions remotely; for example, blood pressure and glucose monitors www.TechnicalPDF.com Wi-Fi in Universities, Hospitals, and Warehouses Large universities, hospitals, and warehouses have extensive Wi-Fi networks because their staff for the most part aren't at assigned desks where they are able to answer telephone calls, or in medical settings where they can look up patient records and reactions to medication. In large university campuses with multiple classroom buildings, access points are placed on every classroom's ceiling. Students at these universities assume Internet access is available for research on topics covered in classrooms, and for research in the library. At one large univer