JUNSUNMAY IP68 Shielded Pure Copper Waterproof Gigabit RJ45 Ethernet Coupler for Cat5Cat5eCat6Cat7Cat8 1. Waterproof RJ45 Coupler Usage: This extender is ideal for extending ethernet connection by connecting 2 short network cables together. 2. Shielded IP68 Waterproof RJ45 Ethernet Coupler Plug and play, Tools free，no drivers are required. High Speed Data Transfer. 3. IP68 RJ45 inline coupler meets Category 6 performance, compatible with TIAEIA 568-C.2 standard and RoHS certification. For external holiday lighting displays, IP security cameras, industrial applications. 4. This rj45 coupler uses high quality pure copper gold plated material inside. Female to Female Ethernet coupler jack compatible with Cat8, Cat7, Cat6, Cat5e, Cat5 network cable. 5. Internal full metal shield and 1 Gigabit Fast Speed: This ethernet cable coupler can speed up to 1 Gbps for connecting Cat7 or Cat6 ethernet cable.The internal full metal shield can effectively prevent signal loss.