A mobile phone (also mobile, mobile phone, mobile phone or mystical) [1] is an electronic device used for the full-duplex two-way radio via a mobile telecommunications network of base stations known as cell sites. Mobile phones differ from cordless phones that offer telephone service to a limited range via a base station connected to a landline the country, eg within a home or office. Low-end mobile phones are often referred to as feature phones, while high-end mobile phones with more advanced computer systems to allow hot smartphones.
A mobile phone allows the user to make calls to and from the public telephone network to other mobile phones and fixed phones around the world includes received. This is done by connecting to a wireless network, owned by a mobile network. An important element of the wireless network is that it provides a seamless phone calls, even when the user moves in large areas through a process called handoff or transfer.
Besides being a phone, even modern mobile phones can support many additional services and enhancements, such as SMS (or text) messages, e-mail, Internet access, gaming, Bluetooth, infrared, camera, multimedia messaging, MP3 player, radio and GPS.
The first handheld phone was demonstrated by Martin Cooper of Motorola in 1973 through a handset weighs two kilograms. In the year 1990, 12.4 million people around the world had cellular subscriptions. By the end of 2009, only 20 years later, the global number of mobile cellular subscribers reached approximately 4.6 billion euros, 300 times the number in 1990, penetrating developing countries, the economy and the bottom of the economic pyramid.
A mobile phone allows the user to make calls to and from the public telephone network to other mobile phones and fixed phones around the world includes received. This is done by connecting to a wireless network, owned by a mobile network. An important element of the wireless network is that it provides a seamless phone calls, even when the user moves in large areas through a process called handoff or transfer.
Besides being a phone, even modern mobile phones can support many additional services and enhancements, such as SMS (or text) messages, e-mail, Internet access, gaming, Bluetooth, infrared, camera, multimedia messaging, MP3 player, radio and GPS.
The first handheld phone was demonstrated by Martin Cooper of Motorola in 1973 through a handset weighs two kilograms. In the year 1990, 12.4 million people around the world had cellular subscriptions. By the end of 2009, only 20 years later, the global number of mobile cellular subscribers reached approximately 4.6 billion euros, 300 times the number in 1990, penetrating developing countries, the economy and the bottom of the economic pyramid.
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