Phoenix Contact RJ45 BUILDING CAT5/CAT6A Patch Cables feature data transmission rates according to CAT5 (up to 1Gbps) and CAT6A (up to 10Gbps) for use in demanding Ethernet applications. The RJ45 BUILDING components also utilize a Low Smoke Zero Halogen (LSZH) cable sheath, which is ideal for building applications. These components offer high reliability even after several insertion cycles, thanks to a protected locking clip.