This is the NMO Mobile Mount to N Female Bulkhead Adapter. It features a N Female connector on one end, and NMO Mobile mount connector on the other. The adapter is made with a nickel-plated, metal construction for maximum signal strength and durability. The Coaxial adapter will allow you to quickly change the gender or connector type on an already-terminated cable. The NMO Mobile Mount to N Female Bulkhead 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.