Antenna device for a portable terminal

A portable terminal comprising an antenna device, the antenna device comprising:

• a main board equipped with a power supply end for supplying power and a ground surface for grounding the main board;
• a loop radiator connected to the power supply end of the main board at a first one end and connected to the ground surface of the main board at a second end;
• a metal body disposed along an outside edge of the portable terminal, the metal body being electrically connected to the ground surface of the main board,
• a slot surrounded by the ground surface of the main board and the metal body;
• and
• at least one stub electrically connected to one of the metal body and the ground surface of the main board, wherein the loop radiator is positioned on the main board and being vertically spaced from the loop radiator.

A portable terminal comprising an antenna device, the antenna device comprising:

• a main board equipped with a power supply end for supplying power and a ground surface for grounding the main board;
• a loop radiator connected to the power supply end of the main board at a first one end and connected to the ground surface of the main board at a second end;
• a metal body disposed along an outside edge of the portable terminal, the metal body being electrically connected to the ground surface of the main board;
• and
• a radiation plate, containing a slot therein, the radiation plate being vertically spaced apart from the loop radiator and electrically connected with one of the metal body and the ground surface of the main board.