Techomlet.com

A mobile phone (or cellphone[a]) is a portable telephone that, unlike a fixed-location phone (landline phone), can make and receive calls over a             radiofrequency link when the user is moving within a telephone service area. The radio frequency link establishes a connection to a mobile             phoneoperator’s switching system, which provides access to the Public Switched Telephone Network (PSTN). Modern mobile telephone               services      usecellular network architecture and therefore mobile telephones are called cellphones (or “cell phones”) in North America.                       In addition to telephony,  digital mobile phones support a number of other services, such as text messaging, multimedia messaging,                            email, Internet access (via LTE, 5G NR or    Wi-Fi), short-range wireless communication (infrared, Bluetooth) , satellite access (navigation, messagingconnectivity), business applications, video games, and digital photography. Mobile phones that provide only basic capabilitiefeature phones; Mobile phones that provide highly advanced computing capabilities are called