Antenna device and portable terminal having the same

A portable terminal, comprising:

• a terminal body;
• at least one display disposed on a first surface of the terminal body, and configured to display visual information;
• a radiator including a conductive material, and configured in a preset pattern to transmit or receive wireless signals;
• a circuit board mounted to the terminal body, and configured to process the wireless signal by being electrically connected to the radiator;
• and
• an artificial magnetic conductor module disposed to overlap the radiator, and configured to reflect the wireless signal,
• wherein the artificial magnetic conductor module includes:
• a conductive ground layer;
• a first conductive layer electrically connected to the conductive ground layer, and including a plurality of first conductors arranged at positions of a predetermined distance from the conductive ground layer;
• and
• a second conductive layer configured to cover the first conductive layer, and including a plurality of second conductors that are parallel to the first conductors,
• wherein the radiator is disposed to face a second surface of the terminal body, and the second surface of the terminal body is opposite to the first surface, and
• wherein the artificial magnetic conductor module is disposed between the radiator and the first surface so as to reflect wireless signals which are toward the front surface among wireless signals radiated from the radiator.