A mobile terminal comprising: a circuit board ; an antenna for transmitting and receiving radio signals; a case having two long lateral surfaces and two short lateral surfaces which are comprising a metal material; wherein the case comprises: a first member , a second member ; wherein the first member and the second member are disposed to cover lateral surfaces of the circuit board and define external surfaces of the mobile terminal; a first slit portion located at a first end of the first member ; a second slit portion located at a second end of the first member , the second end of the first member being opposite to the first end of the first member , wherein the first slit portion and the second slit portion are located at one of the two short lateral surfaces of the case; wherein the antenna comprises: the first member , wherein the first member forms a radiator of the antenna; a power feed connector for electrically connecting the first member with the circuit board ; and a ground connector for electrically ground-connecting the first member with the circuit board , such that the power feed connector , the first member , and the ground connector form a conductive loop for radiating the radio signals, and wherein the one of the two short lateral surfaces of the case corresponds to a bottom lateral surface of the mobile terminal or to a top lateral surface of the mobile terminal. a circuit board ; an antenna for transmitting and receiving radio signals; a case having two long lateral surfaces and two short lateral surfaces which are comprising a metal material; wherein the case comprises: a first member , a second member ; wherein the first member and the second member are disposed to cover lateral surfaces of the circuit board and define external surfaces of the mobile terminal; a first slit portion located at a first end of the first member ; a second slit portion located at a second end of the first member , the second end of the first member being opposite to the first end of the first member , wherein the first slit portion and the second slit portion are located at one of the two short lateral surfaces of the case; a first member , a second member ; wherein the first member and the second member are disposed to cover lateral surfaces of the circuit board and define external surfaces of the mobile terminal; a first slit portion located at a first end of the first member ; a second slit portion located at a second end of the first member , the second end of the first member being opposite to the first end of the first member , wherein the first slit portion and the second slit portion are located at one of the two short lateral surfaces of the case; wherein the antenna comprises: the first member , wherein the first member forms a radiator of the antenna; a power feed connector for electrically connecting the first member with the circuit board ; and a ground connector for electrically ground-connecting the first member with the circuit board , such that the power feed connector , the first member , and the ground connector form a conductive loop for radiating the radio signals, and wherein the one of the two short lateral surfaces of the case corresponds to a bottom lateral surface of the mobile terminal or to a top lateral surface of the mobile terminal. the first member , wherein the first member forms a radiator of the antenna; a power feed connector for electrically connecting the first member with the circuit board ; and a ground connector for electrically ground-connecting the first member with the circuit board , such that the power feed connector , the first member , and the ground connector form a conductive loop for radiating the radio signals, and wherein the one of the two short lateral surfaces of the case corresponds to a bottom lateral surface of the mobile terminal or to a top lateral surface of the mobile terminal. <EOS>