Disclosed is an antenna module including a first antenna and a second antenna, the first antenna being configured to shield a first surface of the second antenna, shield at least some of a first side of the second antenna by using a first bending part downwardly bent from a first end of the first surface, shield at least some of a second side of the second antenna by using a second bending part downwardly bent from a second end of the first surface opposite to the first end of the first surface, have a first end coupled to a housing by fastening a first fastener to a first fastening hole elongated and formed in a first direction from one end of the first bending part, and have a second end coupled to the housing by fastening a second fastener to a second fastening hole elongated and formed in a second direction from one end of the second bending part.