Cellular mobile in Diamond is an electronic device used to make mobile telephone calls across a wide geographic area, served by many public cells, allowing the user to be mobile. By contrast, a wireless telephone in Diamond is used only within the range of a single, private base station, for example within a home or an office. Cellular phones can make and receive telephone calls to and from the public telephone network which includes other mobiles and fixed-line phones. It does this by connecting to a cellular network provided by a mobile network operator. They also support a wide variety of other services like text messaging, MMS, e-mail, internet access, short-range wireless communications, business applications, gaming and photography.