Patent attributes
A main portion of an antenna has a ring-shape with a split and has a first end portion and a second end portion which form the split. A facing portion has a first facing portion provided on the first end portion and a second facing portion provided on the second end portion. The first facing portion and the second facing portion are arranged apart from each other and face each other. A first feeding terminal, a second feeding terminal and an additional terminal are provided on the main portion and used to be fixed to an object when the antenna is mounted on the object. On the main portion, the first feeding terminal is situated nearer to the first end portion than the second feeding terminal is situated, and the additional terminal is situated nearer to the second end portion than the second feeding terminal is situated.
