31-05-2012, 01:03 PM
wifi
Wi-Fi.pptx (Size: 403.51 KB / Downloads: 35)
What is Wi-Fi ?
It is a mechanism that allows electronic devices to exchange data wirelessly over a computer network
How it works ?
Wi-Fi works via radiofrequency waves
Typically operating on the 2.4 and 5 gigahertz frequencies and less frequently
Speed of data transmission
1Mbps is the lowest rate of Wi-Fi it assures that the client who receives the packet can communicate at least 1Mbps
Current Wi-Fi Applications
Apple® AirPlay®
AirPlay lets you stream music, photos, and video stored on your computer, iPad®, iPhone, or iPod touch® to your receiver or TV via Apple's Apple TV. You can also stream music to any AirPlay-enabled device, like a speaker or receiver.
Advantages
Freedom of Movement
Many compatible devices
Continuous connection to a network from a variety of sites.
No wires = lower installation costs
Disadvantages
Wi-Fi is designed for medium-range data transfers
It is less secure than wired connection
Wi-Fi.pptx (Size: 403.51 KB / Downloads: 35)
What is Wi-Fi ?
It is a mechanism that allows electronic devices to exchange data wirelessly over a computer network
How it works ?
Wi-Fi works via radiofrequency waves
Typically operating on the 2.4 and 5 gigahertz frequencies and less frequently
Speed of data transmission
1Mbps is the lowest rate of Wi-Fi it assures that the client who receives the packet can communicate at least 1Mbps
Current Wi-Fi Applications
Apple® AirPlay®
AirPlay lets you stream music, photos, and video stored on your computer, iPad®, iPhone, or iPod touch® to your receiver or TV via Apple's Apple TV. You can also stream music to any AirPlay-enabled device, like a speaker or receiver.
Advantages
Freedom of Movement
Many compatible devices
Continuous connection to a network from a variety of sites.
No wires = lower installation costs
Disadvantages
Wi-Fi is designed for medium-range data transfers
It is less secure than wired connection