An intraoral cavity control system having a shape adapted to be positioned between the palate in the roof of the mouth and the tongue comprising, a control interface to receive control input from an organ of the mouth, a wireless transmitting and/or receiving means for transmitting an electrical output signal from the control system and/or for receiving an electrical input signal from an external unit, a control element for processing the control input from the control interface into said electrical output signal transmitted by the transmitting means and for processing said electrical input signals establishing a communication between the external unit and the control element, a power source for providing electrical power to said control system wherein the wireless transmitting and receiving means are further provided with an antenna that is arranged to extend from within a first volume of the oral cavity bound by the medial surface of the teeth and being arranged within a second volume of the oral cavity bound between the medial surface of the teeth and the lateral boundaries of the vestibule of the oral cavity.