For connecting/extending data cables up to Cat.7, A, class E, A to ISO/IEC 11801 Ed.2.2:2011-06 is complied with in combination with Cat.6, Cat.6A, Cat.7 and Cat.7A cables and Cat.6 connectors, connection of data lines AWG 26/1 to 22/1 (solid wire), cable feed from one or two sides, cable sharing, i.e. splitting one 8-wire cable into two 4-wire cables (one cable tie required each on input and output side), fully shielded metal housing, strain relief and separate captive 360° shield connection, 2 bore holes for wall mounting, IP67 protection due to special shrink tube