Door approach-signaling device and door lock control device

Door approach-signaling device a slot antenna (21, 23-25) in connection with an exterior door handle (20), wherein at least one surface is formed by a conductive material, the slot antenna a which opens in the direction of the conductive material slot (23) and conductive to the material intended feed points (24, 25), and a transmitter (26) for applying a voltage to Funkwellenoszillation to the feed points.