A wireless switching device with an actuating member that can move along a main axis between an idle position and a working position, a spring stressed by force by the actuating member in a direction substantially parallel to the main axis, a switching assembly that can include a plunger arranged to be actuated by the actuating member and a wireless transmitter module provided with an antenna for sending a message to a receiver module in the event of an action on the plunger. The antenna can be arranged prominently on the switching assembly in a direction substantially parallel to the main axis and the spring of helical type being arranged coaxially to the antenna.