The first generation of mobile phones are often called 1G. These mobile phones are the analog devices that were introduced in the eighties & continued until being replaced by 2G mobile phones, which ran on digital networks. in fact, even though 1G & 2G systems use digital signals to connect the radio towers to the rest of the telephone network, the voice itself during a phone call encoded to digital signals in 2g while voices on 1G phones aren't.
Second generation, also called 2-g, mobile telephones were introduced in the nineties. 2-g phone systems were characterised by their use of digital transmission and the introduction of advanced and fast phone to network signalling.
The birth of 2-g systems saw telephones move from friendly 1g telephones to little handheld items, which were much more portable. this change was possible through technological developments including more advanced batteries and energy saving electronics.
The second generation mobile telephones had severaladvantages over 1g items. These included text messaging, which became possible on gsm networks initially and eventually on all digital networks. the earliest machine-sent message was sent in 1991 in the uk. the earliest person to person sms text message was sent in 1993 in finland. sms text messaging soon became the preferred method of communication and the public now prefer sending text messages to placing voice calls.
3-g is the term applied to the third generation of mobile phone standards & technology. 3g follows 2g mobile phone technology.
The birth of 3-g technologies allow network operators for instance Vodafone give their users a larger range of more advanced services. These include video calls& wireless internet.
Even though 3-g was successfully introduced throughout the world, issues have been raised by both 3-g providers & users, comprising of costly phones. in addition to this, there's numerous differences in the licensing terms.
Ever since the launch of 3-g mobile phone technology. people have been talking about 4g. 4g technology will signify the future of mobile telephones, creating the most sophisticated handsets and best services yet. in actual fact, one of the next services to be developed is thought to be live streaming of radio and tv shows to 3-g handsets is and shops including real and disney recently announcing that they'll be offering services like these.
In conclusion, even though the history of mobile phones they have come a long way in the past few years, it also indicates that they'll go even further still.