Function: They are used to link two standard Ethernet patch cables together to extend the overall length of a network connection without sacrificing speed or purchasing entirely new, longer cables.Design: Standard straight-through wiring with 8P8C (8 positions, 8 contacts) ports on both ends. They feature a compact, modular plastic housing designed for home or office networking setups.Compatibility: Typically compatible with standard Cat5, Cat5e, Cat6, and Cat6a network cables