To provide a portable unit, restraining displacement in a primarily unintended direction of a decorative panel also serving as a part to be operated in remote controlling a specific controlled system through radio communication.

This portable unit includes a switch panel 60 having a part provided on the outer surface of an upper casing 40 to form a design surface and fixed to the outer surface of the upper casing 40 as a fixed end and a part not fixed to the outer surface of the upper casing 40 as a free end. The portable unit is configured to transmit a radio signal by closing operation of a contact provided in the interior of the casing utilizing bending of the part as the free end toward the upper casing 40 side when the part as the free end of the switch panel 60 is pressed in controlling the controlled system. The part as the free end of the switch panel 60 is provided with extending parts 62, 63 having claw parts 64, 65 inserted in the interior of the casing to engage with engagement parts 45, 46 provided in the inner surface of the upper casing 40.