- Yellow high Definition Cat 6 Modular Keystone Jack 25 Pack-CAT6 rated connectors provide excellent performance for data networks-PCB technology provides maximum performance and superior signal quality-Enhanced crosstalk cancellation reduces return loss and improves performance-Rejecting noise and unwanted signals-Exceeds ANSI/TIA-568-C.2 Category 6 connecting hardware requirements-Designed with rear split back 110 IDC reducing termination time-Terminate with 110 punch down tool-Reduced rear footprint allo