| 摘要 |
A portable compact radio terminal device includes a radio board to which a loop antenna is connected, and a control board having a display section and a battery and connected parallel to the radio board through a connector. At least one end of a parallel portion of the loop antenna is formed into an arcuated shape. The loop surface of the antenna is perpendicular to the radio board and the control board, and a gap is formed between the loop surface of the loop antenna and an end portion of the radio board.
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