Slide 2:
The term Wi-Fi, first used commercially in August 1999, was coined by a brand-consulting firm called Interbrand Corporation.
The term "Wi-Fi" means "Wireless Fidelity".
It is a trademark of the Wi-Fi Alliance that manufacturers may use to brand certified products that belong to a class of wireless local area network (WLAN) devices based on the IEEE 802.11 standards.
Wi-Fi technology builds on IEEE 802.11 standards.
Slide 3:
A Wi-Fi enabled device such as a personal computer, video game console, mobile phone, MP3 player or personal digital assistant can connect to the Internet when within range of a wireless network connected to the Internet.
Wi-Fi can provide public access at Wi-Fi hotspots provided either free-of-charge or to subscribers to various commercial services.
Organizations and businesses - such as those running airports, hotels and restaurants - often provide free-use hotspots to attract or assist clients.
Reach :
Reach Wi-Fi networks have limited range.
A typical wireless router using 802.11b or 802.11g with a stock antenna that might have a range of 32 m (120 ft) indoors and 95 m (300 ft) outdoors.
Direct computer-to-computer communications :
Direct computer-to-computer communications Wi-Fi also allows communications directly from one computer to another without the involvement of an access point. This is called the ad-hoc mode of Wi-Fi transmission.
Advantages :
Advantages Wi-Fi allows the deployment of local area networks (LANs) without wires for client devices, typically reducing the costs of network deployment and expansion.
Standard Wi-Fi device will work anywhere in the world.
Wi-Fi operates in more than 220,000 public hotspots and in tens of millions of homes and corporate and university campuses worldwide.
Thank you :
Thank you