Category 6 Ethernet Module, MACTIS 180&deg; Cat6 RJ45 8-Wire Jack with Unshielded Information Module (2 Pack, 3 Port RJ45 Coupler) SIMPLE AND CONVENIENT  It is used for extending Ethernet cable by connecting 2 short network cables together. And its design is one female interface to two female interfaces, which can wire two Ethernet cables, so that you can use your laptop in two rooms. (Two female interfaces can not be used at the same time) OFC CONNECTOR  The port is Oxygen-free copper(OFC) and the outside is PVC material, ensuring a secure and corrosion free connection. Whats more, the gold plated contact is easier snap-in retaining clip. HIGH SPEED  The transmission speed can be up to 10Gpbs. COMPATIBLE  This female to female rj45 8P8C coupler is compatible with Cat 7 Cat6 Cat5 Cat5e network Ethernet cable. WIDELY USED  It is small size, easy to carry and can be widely used in office and home.