An antenna according to one embodiment of the present invention comprises: a first radiation part formed in a cover shape on a first surface of a printed circuit board; and a second radiation part penetrating the printed circuit board from one end of the first radiation part and extending onto a second surface of the printed circuit board, wherein the second radiation part includes a radiation pattern on the second surface of the printed circuit board, and the radiation pattern is spaced apart at a predetermined distance from a grounding pattern formed inside the printed circuit board or on the first surface of the printed circuit board.