RJ45 Outdoor Coupler used to connect two CAT6/CAT5E/CAT5 patch cable in the harsh industrial or outdoor environments. The Waterproof RJ45 Connector are IP67 Compliant. Shielded RJ45 female to female field installable coupler, Metal shield protection structure, Super durable and strong anti-interference ability, No attenuation, more stable signal trasmission.