Only in combination with the GHMT-certified components listed below is the flawless functionality of this installation cable for CAT-8.1 cabling runs guaranteed. The testing of transmission properties was conducted in the 2-Connector Channel over a predefined transmission distance of 24 m according to the specifications for Class I up to 2 GHz per ANSI/TIA-568.2-D 2018-09: 2 Connector Channel Copper, Class I up to 2 GHz. GHMT Type Approval Balanced cord: Wentronic GmbH CAT 8 patch cord, Part no.: CAT 8.1 - 25 m S/FTP PiMF Yellow. Certified patch cables: 61091, 61092, 61093, 61094, 61095, 61102, 61103, 61104, 61105, 61106, 61113, 61114, 61115, 61116, 61117. Certified installation cables: 61126, 61127, 61128. Certified keystone jack: 61143.