Description
802.11 is a local area networks (WLANS) use the Ethernet protocol developed by a working group of the institute of electrical and electronics engineers (IEEE).
Diagram
2. Infrared
Description
Infrared technology allows computing devices to communicate via short-range wireless signals. with infrared, computers can transfer files and other digital data.
Diagram
3. Bluetooth
Description
Bluetooth is defined as being a short range radio technology aimed simplifying communications among internet devices and between devices and the internet.
Diagram
4. 3G
Description
3G is the third generation of wireless technologies. mostly used with mobile phones and handsets as a means to connect the phone to the internet or other IP networks in order to make voice and video calls, to download and upload data, and to surf the web.
Diagram
The differences between the various types of 802.11:
- 802.11b - is often considered the first generation.
- 802.11g - is often considered the third generation.
- 802.11n - is often considered the fourth generation.
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