Mobile phone
Mobile,phone
A,mobile,phone,is,a,portable,telephone,that,can,make,and,receive,calls,over,a,radio,frequency,carrier,while,the,user,is,moving,within,a,telephone,service,area,The,radio,frequency,link,establishes,a,connection,to,the,switching,systems,of,a,mobile,phone,operator,,which,provides,access,to,the,public,switched,telephone,network,PSTN,Most,modern,mobile,telephone,services,use,a,cellular,network,architecture,,and,therefore,mobile,telephones,are,often,also,called,cellular,telephones,or,cell,phones,In,addition,to,telephony,,2000s-era,mobile,phones,support,a,variety,of,other,services,,such,as,text,messaging,,MMS,,email,,Internet,access,,short-range,wireless,communications,infrared,,Bluetooth,,business,applications,,gaming,,and,digital,photography,Mobile,phones,which,offer,these,and,more,general,computing,capabilities,are,referred,to,as,smartphones
The,first,handheld,mobile,phone,was,demonstrated,by,John,F,Mitchell12,and,Martin,Cooper,of,Motorola,in,1973,,using,a,handset,weighing,c,44,lbs,2kg3,In,1983,,the,DynaTAC,8000x,was,the,first,commercially,available,handheld,mobile,phone,From,mobile,phone,plans,for,seniors,,mobile,phones,,mobile,phones,compare,,mobile,phone,deals,,mobile,phone,companies,,mobile,phone,insurance,Mobile,phone
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