Coaxial RP SMA Female Adapter, Reverse Polarity TNC Female Connector Crimp/Solder, 75 ohms Reverse Polarity TNC Jack Connector Crimp/Solder, 50 ohms Reverse Polarity TNC Plug Connector. Reverse polarity TNC female coaxialial connector has an interface , Reverse Polarity BNC Female Connector Crimp/Solder,