An antenna arrangement for dual mode radio devices such as WCDMAGSM or Bluetooth radio devices. The image carrier carries a toner image. The elastic body within the water-sealed bag body has upper and lower parts having looseness. The portable access terminal is dispelled from the first pilot signal, and the portable access terminal is allowed to connect to the second pilot signal. A doped copper layer is formed by controlling the incorporation of a non-metallic dopant during copper electroplating.