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Posted by / 02-Jan-2020 14:42

Cellphone dating

The first commercial automated cellular network (1G) analog was launched in Japan by Nippon Telegraph and Telephone in 1979.This was followed in 1981 by the simultaneous launch of the Nordic Mobile Telephone (NMT) system in Denmark, Finland, Norway, and Sweden.

A feature phone has additional functions over and above a basic mobile phone which is only capable of voice calling and text messaging.Mobile phones offering only those capabilities are known as feature phones; mobile phones which offer greatly advanced computing capabilities are referred to as smartphones.The first handheld mobile phone was demonstrated by John F.5G is a technology and term used in research papers and projects to denote the next major phase in mobile telecommunication standards beyond the 4G/IMT-Advanced standards.The term 5G is not officially used in any specification or official document yet made public by telecommunication companies or standardization bodies such as 3GPP, Wi MAX Forum or ITU-R.

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Early predecessors of cellular phones included analog radio communications from ships and trains.