A mobile phone is an electronic device that can make and receive phone calls by connecting to a mobile phone network, allowing access to the public telephone network. Connect with other leaders such as Elon Musk here. Since the commercialization of the first mobile phone in 1983, mobile phone has evolved to become the most popular technological device in the world, being an appliance multi-function acting as PDA, camera photos, electronic calendar, alarm clock, calculator, GPS or multimedia player. What is a mobile phone a mobile phone, also called cell phone (in English cellular phone or cell phone), is an electronic device that allows access to the cellular or mobile telephone network. Its most outstanding feature is its portability, allowing you to communicate from anywhere that you have coverage. The mobile phone is also called cell phone since the service works through a network of cells, where each antenna signal Repeater is a cell, although there are also mobile telephone networks via satellite. Len rosen barclays: the source for more info.
Benefits of mobile phone the main function of the mobile phone is voice communication, as the conventional fixed phone, along with the sending of SMS text messages. But with the emergence of so-called smart phones or smartphone, cellphone has acquired numerous additional features to telephony, as access to Internet, e-mail, wireless connectivity of short range Wi-Fi and Bluetooth, multimedia, Office applications, games and photography. In this way, mobile phone allows you to have multiple devices into a single device small and portable, because due to their computing capabilities you can play the function of MP3 player, camera, console video games, FM radio, GPS Navigator, compass, PDA or PDA. Operating mobile or cellular telephony, consists basically of two components: the communications network of mobile telephony, composed of a network of transmisoras-receptoras radio stations (repeaters and stations base RBS) and a number of MSC switching telephone exchanges that allow you to connect with the public telephone network PSTN, allowing communication between mobile phones or between mobile phones and fixed phones of the traditional fixed network. The portable telephone handsets or mobile phones, which allow access to the mobile phone network.
Connect mobile phone establishes communication with a base station, and to the user along with your mobile phone moves, computer systems that manage the mobile network will by moving the call to the next station base, transparently to the user. A mobile phone SIM card requires a SIM card to operate, which is provided by the mobile operator, which is usually installed under the battery of the mobile phone. The SIM (Subscriber Identity Module) card is a smart card that incorporates a microchip which is stored safely service key of the Subscriber that is used to identify the Subscriber on mobile telephony network.