This wireless device has: a variable directivity antenna having variable directivity characteristics; a generating unit, which generates control information to be used in connection setting processing from radio waves transmitted from other wireless device before completion of the connection setting processing, and received by the variable directivity antenna, and which generates data for data processing from the radio waves transmitted from other wireless device after the completion of the connection setting processing and received by the variable directivity antenna; a connection setting unit, which performs the connection setting processing with respect to other wireless device identified by means of the control information; and an antenna control unit, which controls the directivity direction of the variable directivity antenna to a predetermined direction during a period from a time when the connection setting unit started the connection setting processing to a time when the connection setting unit completes the connection setting processing.