<p>A portable wireless device (100) comprises: a display unit (120) which is disposed to be visible from a first face of a casing (110); a first antenna (150) which is positioned below the display unit (120) on the first face side of the casing (110); and a grounding line (160) which is positioned below the display unit (120) on the side opposite the first antenna in the width direction of the display unit (120). The portable wireless device (100) further comprises: a circuit substrate (130); a reactance element (161) which is disposed between the grounding line (160) and the circuit substrate (130); and a passive element (170) which is positioned below the display unit (120) on a second face which is opposite the first face of the casing (110).</p>
