1709-5 is a male to male, SHV adapter with a frequency of 300MHz and operating voltage of 3500Vrms / 5000VDC. Insulator is made of teflon; all other metal parts are brass. Center contact is in gold plating finish. This product has quick connect & disconnect bayonet coupling design. Outer contact ground connection is maintained through the center contact mating cycle. Recessed center contacts prevent shock hazards while unmated.