The Wireless communication is the transfer of information over a distance without the use of enhanced electrical conductors or "wires”. The distances involved may be short (a few meters as in television remote control) or long (thousands or millions of kilometers for radio communications). The technologies have been classified according to their generation, which largely specifies the type of services and the data transfer speeds of each class of technologies. 1G - The First Generation o It was wireless Telephone technology and mobile Telecommunication introduced in 1980's. 1G networks used analog signals, as opposed to digital signals used by all the successive generations of mobile technologies. o In 1G networks, voice calls were simply modulated to a higher frequency, typically to 150 MHZ and up. o The first commercially available cellular network using 1G standard was introduced by NTT in the year 19...
A mile closer to the milestone...