It is a type of data transmission, that allows communication over a distance without help of wires or cables. The distance of transmission can be anything between a few meters, that is a television remote control, to thousands of kilometres, that is radio communication. Applications include cellular telephony, wireless access to the internet, wireless home networking etc. Other examples include radio wireless technology are GPS units, garage door openers, radio receivers, satellite television and so on. As there is no use of any physical infrastructure, the technology supports cost effectiveness. Also people can communicate regardless of their location. Mobile phones are simple, therefore it is very convenient for anyone to use them. Improvements is present in the speed of communication, when compared to wired ones. Other advantages include accessibility and constant connectivity. Looking for more information about the topic? Have a look into the PowerPoint presentation.

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