mobile phone Mobile Phone is an electronic telecommunications machine that often referred to as cellular phone or cell phone. Mobile phones connect to a wireless communications network in the course of satellite transmissions or radio wave. The largest part mobile phones offer voice communications, Multimedia Message Service (MMS), Short Message Service (SMS), and newer and latest phones may also give Internet services such as e-mail and Web browsing.
A mobile phone, which is also known as a cellular phone, cell phone, and a hand phone is a tool that can make and receive telephone calls over a radio link while moving around a wide geographic area. It does so by linking to a cellular network provided by the mobile phone operator, by allowing admittance to the public telephone system. By the contrast, with a cordless telephone that is used only surrounded by the short range of a single and private base station.
Additionally to telephony, recent mobile phones also carry or support a wide variety of other services such as MMS, text messaging, email, Internet access, short-range wireless communications (infrared, Bluetooth), gaming and photography, business applications. Mobile phones that propose these and more common computing capabilities are referred to as smart phones.
The first hand-held mobile phone was established by John F. Mitchell and Dr Martin Cooper of the Motorola in 1973, by using a handset weighing around 2.2 pounds (1 kg). In 1983, the DynaTAC 8000x was first to be commercially presented. From the years of 1990 to 2011, worldwide mobile phone subscriptions grew from 12.4 million to over 6 billion, incisive about 87% of global population and reaching the base of the economic pyramid.
Features
All mobile phones have a number of characteristic in general, but all manufacturers also try to distinguish their personal products by implementing more additional functions to ensure them more gorgeous to consumers. This has led to great modernization in mobile phone growth over the past 20 years.
The widespread apparatus found on all phones are:
- A battery, given that the power source for the phone functions.
- Input mechanism that allows the user to interact with phone. Most general input mechanism is a keypad, but touch screens are also set up in some high-end smart phones.
- Crucial/basic mobile phone services that allow all users to make calls and send text messages.
- All GSM phones use SIM card that permit an account to be swapped among devices. Some CDMA devices also have a parallel or similar card called an R-UIM.
- Individual GSM, WCDMA, iDEN and some satellite phone devices are uniquely identified by an International Mobile Equipment Identity (IMEI) number.
