This shielded outdoor waterproof coupler is used to join two cat6 cables together while keeping them safe and dry from the elements. Designed to work with shielded and non-shielded cables. This coupler is backward compatible for use with cat5e cables. The female to female shielded coupler is IP67-rated for dust and water protection. The rubber gasket inside the coupler allows for cables that have an overall diameter ranging from 3-8mm. Ideally suited for outdoor applications.