SMAKN&Acirc; Ip67 M25 Waterproof Rj45 Coupler, Female to Female, Shielded, Field Installable Shielded RJ45 female to female field installable coupler, simply plug a patch cord into either end and screw together. Gasket seals provide IP67 rated water and dust protection. CAT5/5e/6/6a shielded cable (not included) with a 6mm-7mm O.D. is required for waterproofing. 1" - 20 UNEF (Unified Extra Fine Thread) outer threading (nut and gasket seal not included for panel mounting). For harsh industrial or outdoor environments.