Definition of Wireless Router
PC magazine defines a wireless router as a network device that combines a base station (the wireless access point), a wired or wireless local area network (LAN) and a router with connections to a cable or DSL service. More simply, a wireless router is a channel for interaction between a computer and the Internet.
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Function
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Similar to cell phones, wireless networks run on radio waves, although they transmit on higher frequencies. Higher frequencies enable the signal to relay more data. The system works in two ways. First, the computer's wireless adapter converts information into a radio signal and broadcasts it using an antenna. Once the wireless router receives and decodes the signal, it transmits the data to the Internet using a physically wired connection.
Types
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There are two types of wireless routers. The first type was designed for a small coverage range, such as a single household or small business. These systems are referred to as local area networks (LAN). The second type of wireless router was designed for office buildings with enterprise purposes, so they have a wider coverage range. This type of wireless router is used to cover wide area networks (WAN) or entire metropolitan area networks (MAN).
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Considerations
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Wireless routers are easily installed and relatively inexpensive, which may explain the prevalence of wireless networks in airports, cafes, hotels and hospitals. A high-speed Internet connection is needed and can generally be provided by the phone company or cable provider, but it can be bought at an electronics store.
Warning
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Speed and accessibility are the major concerns of those who use wireless routers. There may be a noticeable difference in the speed and reliability between a wired and wireless connection due to some degradation of the signal as it travels through the air. Furthermore, when operating in a public wireless area, personal information stored in a personal computer could be pilfered by anyone with the intention of gathering personal data from your computer. The encryption protocols in most wireless places are either non-existent or very low, leaving data easily compromised. Within a residence, security is easily established through passwords and disabling remote administration.
Benefits
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One wireless router provides multiple devices to Internet access. It allows consumers to access the Internet from any computer within the range of the system, as well as making it easier for parental control of a child's Internet use. Wireless routers have also made possible other communication functions, such as voice over Internet protocol, which allows phone calls to be made via the computer.
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