Mobile phone is a portable telephone that makes or receives calls by the radio frequency link when the user is moving within the telephone service area. The primary function of the mobile phone is to allow communication among the individuals. The earliest generation of mobile phones is only used to make and receive calls. But …
Mobile phone is a portable telephone that makes or receives calls by the radio frequency link when the user is moving within the telephone service area. The primary function of the mobile phone is to allow communication among the individuals. The earliest generation of mobile phones is only used to make and receive calls. But …