The unscreened RJ45 couplers allow the connection, using patch cord, of the RJ45 male connectors. They ensure the traditional function of cable extension. The “keystone” format provides easy mounting on 24 port patch panels (GGM PAN24VK) and also in 45 x 45 wall box faceplates (GGM PL45IS ...) and in surface mounted boxes (GGM 627019000).