An antenna for a communication device, and also an RFID reader incorporating the antenna, are disclosed. The antenna has a structure including a ground portion and a radiating component. The radiating component has a first side, and a second side that is spaced apart from the first side. The first side has a ground edge portion which is in contact with the ground portion, and the first side extends, from its ground edge portion, away from a surface on one side of the ground portion. The second side also has a ground edge portion which is in contact with the ground portion, and the second side also extends, from its ground edge portion, away from a surface on said one side of the ground portion.