A mobile phone (or cellphone) is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a ...
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The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. A man talks on his mobile ...
A smartphone is a mobile device that combines the functionality of a traditional mobile phone with advanced computing capabilities.
A mobile phone (also known as a hand phone, cell phone, or cellular telephone) is a small portable radio telephone. Phone Siemens AX72. This cell phone can ...