The Importance of Mobile Phones
Author: Pencil Writer


Mobile phones or cell phones are wireless portable, short range
electronic devices used for mobile voice data communication. The
communication is carried over a cell sites. Mobile phones
support services like messaging, e-mail, gaming, Bluetooth,
infra-red to name only a few.

Way back in 1915, the American company AT&T contemplated the
use of wireless phones. This idea was soon shelved as the
company feared that its control on wired service would end. Cell
phones in 1996 ushered in a new age of mobile telephony. Mobile
sets could now be connected to the internet and wireless e-mail.
A new generation of Smart phones was born. The mobile phones are
designed with latest technology which has turned as pocket PC.

Mobile phones can transmit and receive from a number of cell
sites or base stations which are fitted with the help of special
antennas. These sites are normally built on a tower. Mobiles
transmit voice and data to the nearest cell site with the help
of a low powered transceiver. The mobile number will be
registered with the mobile telephone exchange.

The sites have low powered transmitters (1 or 2 watts) and can
relay between the mobile phones and the main switch. The switch
helps to connect the call to another caller of the same wireless
service provider or to the public telephone network. This
dialogue that ensues is a flow of data which is digital and
digitized audio.

There are several categories of mobile phones from basic phones
to feature phones such as music phones, camera phones and smart
phones. Technological advances have led to miniaturization and
increased processing power of microchips. Even more features
have been added to these mobiles. A high-end Smart phone five
years ago is a standard phone today.

Mobile phones have features that go far beyond text-messaging
and voice calls. They include internet browsing, music (MP3)
playback, memo recording, personal organizer functions, e-mail,
built-in-cameras, Push-to-Talk, infra red and Bluetooth
connectivity. It is envisaged that in future, they will also be
able to serve as consoles to online high quality games!

The utility values of mobile phones are increasing in their
scope and variety. In 1999, the first mobile internet service
i-Mode was launched. Of late, mobile telephones have been used
by public activists and journalists. Mobile phones have added a
new dimension to news -gathering. Many companies have begun to
offer mobile career guidance services. There are tools for
creating websites on mobile phones Banking and commerce are
increasingly conducted on mobile phones in many parts of the
world.

The sale of ring tones to mobiles phone companies brought a new
dimension to the mobile phone industry. It is also called the
seventh of the Mass Media with Print, recording, cinema, radio,
TV and the internet preceding it. Mobile phones have made a
great revolution in the recent years, with the advent of new
technologies.

Law enforcement agencies use the triangulation method to trace
mobile signals to the hide-outs of the most "wanted" people. In
developing countries, in the last decade, mobiles have become
pervasive tools of communication. Truly, mobile phones have only
begun to re-define the concept of connectivity in the world.


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