L-com's exclusive line of category 3 panel mount connectors is the perfect choice for passing modular cables through a rack panel or wall plate. The unique flange mount design accepts #4 or #5 screws for secure mounting of these couplers to any panel (purchased separately). Contacts have 30 microinches of gold plating for durability and the black plastic shell is UL94V-0 rated. With a category 3 rating these couplers can be used for either voice or data applications. Large volume discounts offered; Call today.