Friday 4 November 2011

What is Wi-Fi

Wi-Fi is a mechanism for wirelessly connecting electronic devices it's name of a popular wireless networking technology. A Wi-Fi can connect to the Internet via a wireless network access point, its enables, such as a personal computer, video game console, smartphone, or digital audio player. Wi-Fi access point has a range of about 20 meters indoors and a greater range outdoors and multiple overlapping access points can cover large areas.

Wi-Fi  is supported many major operating systems, applications and devices including video game consoles, home networks, PDAs, mobile phones, and other types of consumer electronics. Any products that are tested and approved as "Wi-Fi Certified" (a registered trademark) by the Wi-Fi Alliance are certified as interoperable with each other, even if they are from different manufacturers. For example, a user with a Wi-Fi Certified product can use any brand of access point with any other brand of client hardware that also is also "Wi-Fi Certified".

Wireless networks operate using radio frequency (RF) technology, a frequency within the electromagnetic spectrum associated with radio wave propagation. When an RF current is supplied to an antenna, an electromagnetic field is created that then is able to propagate through space. Read more...