›a mobile phone: He left his mobile on the train.Let me give you my mobile number.on/from a mobileI think she was calling from her mobile.mobile handset/network/unitThe mobile handset will be the first to use the new operating system.mobile charges/salesYour mobile charges will be higher if you call from abroad.mobile company/maker/operatorMobile operators are fighting to be the leader of the handheld computing revolution.