Mobile phones began life as a two-way radio, also called mobile platforms. These were installed in vehicles such as minicab, police cars and ambulances, but were not quite mobile phones when they are not normally connected to the telephone network. while the first mobile phones were permanently installed in vehicles, later versions, such as laptops, also known as bag phones, which can be used and can be used as a mobile or portable walkie-talkies.
The firs
t generation of mobile phones are often 1G. These phones are analog devices that were introduced in the eighties and continued until being replaced by 2G mobile phones that run on digital networks. In fact, call themselves 1G & 2G systems use digital signals to connect the radio towers on the rest of the phone calls himself the voice during a telephone encoded into digital signals, while the 2g vote on 1G phones are not.
Second Generation, also known as 2-g mobile phones were introduced in the nineties. 2-G Phone systems were characterized by their use of digital transmission and the introduction of advanced and fast phone signaling network.
The birth of 2-g systems such as telephones moving from friendly 1g phones for small handheld products that are much more portable. This change was made possible by technological developments, including more advanced batteries and energy-saving electronics.
The second generation mobile phones several advantages than 1g lines. These include text messaging, which became possible on GSM networks initially and eventually on all digital networks. earliest machine-sent message was sent in 1991 in the United Kingdom. Earliest person to person text message was sent in 1993 in Finland. SMS messages quickly became the preferred communication and public now prefer sending text messages to place calls.
3-G stands for third generation mobile phone standards and technology. Follows 2G 3G mobile phone technology.
The birth of the 3-g technologies allows network operators like Vodafone to offer their users a wider range of more advanced services. They include video calls and wireless Internet access.
Although the 3-g successfully introduced worldwide have been questioned by both 3-g providers & users, consisting of expensive phones. Besides these, there are many different licenses.
Since the launch of 3-G mobile technology. People have been talking about 4g. 4G technology will mean for the future of mobile phones, creates the most advanced cell phones and the best service yet. actually one of the following services are designed for live streaming of radio and television programs to 3-g handsets is and shops, including real and Disney recently announced that it will offer services such as this.
Finally, the history cell phones, though much in the last few years, but also shows that they will go further.
