. "You are here: Cat5e Keystone Jack We are china supplier of unshielded cat5e keystone jack and shielded cat5e keystone jacks, there are 90 degree types and 180 degree types, they are used to linking the category 5E patch cords or installed on the patch panels, they are designed to meet today???s network transmission requirement and targeting the future upgrading.Cat5e keystone jack unshielded types" . . .