Nowadays, you will see almost everyone carrying a mobile phone. No matter whether it is pay as you go or on a contract, the mobile phone has become a necessity. This article will give you a brief on the importance of mobile phones and the technology used to make them operational. 3 G Technology Mobile phones were introduced as a two way radio in the market a long time back. They were also known by the name of mobile rigs. Earlier, only ambulances, minicabs and police cars used to use these radios, which were mainly connected to the telephone network. Later on the technology improved and newer versions like transportable, called bag phones were introduced in the market. 1G was the name given to the first generation mobile phones. These phones were prevalent in the 1980’s and they continued to show their dominance until 2G mobile phones came out in the market. These phones were powered by digital networks. The 1G and 2G system makes use of digital signals to connect to the radio ...