Because it's cheap and doesn't require wires to connect to .
because its so easy and mobile. you can share documents with other computers too
The main reason would be the mobility factor, the ability to stay in touch and to be able to communicate just about anywhere.
Infrared can't be used as a technology for wireless networks because of its slow speed and limited functionality. Infrared is used for wireless communication at very small level.
wireless ones
The common wireless frequency is 2.4 Ghz. Some wireless networks may use the 5 Ghz frequency range.
It's supposed to, but the problem with wireless networks that you can catch packets even if it was not send for you. Such problem was eliminated for wired networks a while ago, the solution is used in all routers. For wireless networks such solution cannot work in principle.
To use protected by key wireless networks (WPA, WPA2-PSK AES), MAC filters, deny access to ports which are not used.
A wireless bridge is a hardware unit used to put two or more wireless networks together. They work in pairs, but there may be numerous bridges to get the full effect.
They are used in telecommunications for high-speed wireless broadband communication and point-to-point wireless local area networks (WLANs).
Wireless sensor networks are capable of measuring certain aspects of a physical environment. For example, there are sensors available the measure temperature, pressure, and more.
802.1x
Radio waves are used to transmit signals from a radio station, and you can receive the signals with a radio, and hear them as sound such as speech or music. The long wavelength of radio waves makes them a suitable medium for transmitting over a large range. it is also use in agriculture...... it is used to diagnose different diseases
Various types of media to link networking are copper, fibre, wireless.
Intel PROSet Wireless Software is used for management of network profiles. Users can create profiles, connect them to networks, and edit their specifications.