An antenna is provided. The antenna includes a carrier having a via hole penetrating an outer surface and an inner surface thereof, a first antenna radiator formed on the outer surface of the carrier and at least a part of a surface of the carrier that defines the via hole, a second antenna radiator formed on an inner surface of the carrier and electrically contacting the first antenna radiator through the via hole, and a coupling member configured to electrically connect the second antenna radiator with a circuit board provided in the electronic device.