RF coaxial cable assembled by N heads can be assembled at both ends or one end of the coaxial cable according to customer requirements, coaxial cable has flexible or semi-rigid cable optional, widely used in all kinds of wireless equipment. Type N connector is a medium size threaded RF connector for coaxial cable connection. According to the international mil-c-39012, CECC22120 and iec 60169-8 standard production. N type joint product design reasonable compact, reduce the installation space; The frequency is as high as dc-11ghz and the impedance is 50 ohms. Threaded connection ensures durability and stability in vibration environment. Medium size for military, industrial and consumer electronics applications.