This is the BNC Female to RCA Female adapter. It features a BNC Female connector on one side. And an RCA Female connector on the other side. The adapter is made with a nickel-plated, metal construction for maximum signal strength and durability. The adapter will allow you to connect between a BNC cable and an RCA cable. The BNC Female to RCA Female adapter is a quick and easy solution for your cabling projects. For more information on our products, please contact our customer service department at 888-519-9505. For all your cable and connector needs, choose Show Me Cables.