An electronic payment device intended to be integrated into an unattended electronic payment terminal. The electronic payment device includes at least one electronic card, a screen, a keyboard and a contactless payment module. The contactless payment module has at least one contactless antenna arranged on a plane, called antenna plane, raised by a first predetermined distance with respect to the plane of the keyboard and raised by a second predetermined distance with respect to the plane of the screen. The second predetermined distance is smaller than the first predetermined distance.