1 it forms in its midpoint a certain angle a with the horizontal which is variable between 0 u00b0 and 90 u00b0 as shown in fig1 for angle u03b1 45 u00b0 and in fig2 for u03b1 0 u00b0 besides the corners of the tongues 1 are rounded off with a degree of curvature certain and equal in all of them uniting this degree of curvature the outer contour of the tongue each one of sections 1 a and 1 b are metallized in their surface and in the zone of perpendicular cut 6 a and 6 b so that metallized surfaces of sections 1 a and 1 b of each tongue 1 are isolated electrically between them by a zone of electrical isolation 3 with a determined width whereas the electrically conductive zone of each tongue section extends to match with a metallized crown 5 established around the hole 4 that is next being such holes provided to allow the insertion of a test probe for the verification of the electrical signal that reaches the connection tongue although the use of the verification system is not essential further in addition to the symmetrical side tongues 1 in each one of the corners of the module 7 an end tongue of asymmetrical connection 2 is provided that has a single section and is located in a way such that it forms an angle of 90 u00b0 with the symmetrical tongue of the left of the upper edge of the printed circuit as shown in fig1 and 2 in this case the hole or drill 4 associated to the symmetrical tongue 2 is common to the section 1 a.