This particular inline keystone coupler is good for connecting 2 patch cables and will mount in keystone wall plates or patch panels. The 2 RJ-45 modular jacks feature gold connectors to prevent corrosion ensuring a longer cable life and a housing design which enables high-density mounting. This product works with T568A and T568B wiring and exceeds performance standards' requirements. No termination needed with this shielded snap-in type CAT 6A keystone in-line coupler. From the server room/closet to any room in your home or office where network connectivity is desired these keystones are a great option.