PURPOSE: An antenna is provided to implement the combination of first and second apertures in an antenna by performing transmitting and receiving a signal through a feeding unit and switch control. CONSTITUTION: A first slot is formed in a conductor. A second slot is adjacent to the first slot. Feed lines(21~23) is formed in one side of the first and second slot and receives electricity. Feeding switch(31~33) are capable of being openable and closable. A first line switch is connected to the other side of the first slot through the feed lines. A second line switch is connected to the other side of the second slot through the feed lines.
