Contacting unit for card-shaped support elements for electronic components

A contacting unit comprising:

• a housing;
• said housing having an insertion slot consisting an ISO card base slot and a rectangular multi-media card slot portion located above said ISO card base slot;
• said rectangular multi-media card slot portion designed to receive a single multimedia card or multiple multimedia cards in a stacked arrangement or a staggered arrangement;
• said housing having at least one slot cutout for receiving a card with electronic components;
• a printed circuit board positioned within said housing;
• said printed circuit board having electrical contacting elements for electrically contacting an ISO card and at least one multi-media card received in said insertion slot;
• said housing having a connector field at one lateral side thereof;
• said printed circuit board connected to said connector field;
• said housing designed to receive in said at least one slot cutout a plurality of the cards with electronic components in at least one plane of said housing in at least one arrangement selected from the group consisting of a stacked arrangement, a staggered arrangement, a side-by-side arrangement, an overlapping arrangement, an end-to-end arrangement, and a head-to-tail arrangement.