Sunday, 13 May 2012

week 7 :)

wireless enable people to connect networking using wireless connection across long distances. there are also infrared and radio frequency, but they are limited to area that is short-ranged. wireless are often defined as electronic waves, radio waves, and infrared.

in data networking, the type of wireless network are plenty. here are the list of them:

1) Infrared

infrared will always be associated with Infrared light. remember when we used to put our phones and friend's phones together in order to transfer pictures? that is the concept of Infrared. Infrared can only be used in a short-distance range and the transfer speed is 2400 Mbps to 4 Mbps. 

2) Bluetooth

bluetooth is also designed for a very short range which is less than 10 metres. it is used to connect and change information between devices such as computers and cellular phones. the data speed is around 3 Mbps. it also has a frequency of 2.4 GHz.

3) Broadband

Broadband is a type of wireless network that is very widely used nowadays as the speed of transmission is fast. it can be connected within 50 km of range from the transmitter. it is planned to used for many years as it is very popular among user and is considered reliable. 

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