Abstract: Disclosed herein is an antenna having a radiating part formed flush with a surface of a casing part. The antenna includes the radiating part formed in a character pattern and configured to radiate electromagnetic waves; a feeding part formed in a predetermined portion of the character pattern and configured to feed power; a short-circuit part formed adjacent to the feeding part and configured to function as a ground; and a casing part configured to protect internal circuits. The feeding part and the short-circuit part are mounted within the casing part. The radiating part is formed on a surface of the casing part.