MVTECH Cat7 Cat6 Cat5 RJ45 Network Keystone Jack Line Coupler Female to Female Easy To Use: This RJ45 Coupler has two 8P8C Female to Female interfaces, and you only need to plug the RJ45 interface of the network cable into the interface to connect. Interference Elimination: The inside of the product is used for the all-metal-wrapped shielding layer, which can effectively improve noise resistance and anti-interference. Especially use shielded Ethernet cables. High-speed transmission: With 50-micron gold-plated contacts and a thickened PCB board for faster data transfer, up to 10 GBPS. Universal Compatibility: Compatible with Cat-5, CAT-5e, CAT-6, CAT-6a and CAT-7 Ethernet cords. It’s widely used to work with applications: reliable connectivity for power over Ethernet applications supports Poe applications over Ethernet patch cables, and extends a connection between a router and an IP security camera.