A mobile phone is a  that can mke and receive calls over a radio frequency carier while the user is moving wthin a telphone sevice ara. The raio frquency link estblishes a conection to the swithing system of a, which provides access to the  (PSTN). Modern mobile telephone services use a  architecture, so mobile telephones are often called cellular telephones or cell phones. In addition to teleph, modern mobile phones support a variety of o, such as , short-range wireless communications , business applications, gaming, and photography. Mobile phones which offer these and more general computing capabilities are referred to .

The first handheld mobile phone was demonstrated by . and  of  in 1973, using a handset weighing c. 4.4 lbs ( In 1983, the  was the first commercially available handheld mobile phone. From 1983 to 2014, worldwide mobile phone subscriptions grew to over seven billion, penetrating 100% of the global population and reaching  In 2014, the top mobile phone manufacturers were and