Eightwood SMA Male Plug to F Female Jack RF Adapter for TV HDTV Receiver Tuner Antenna Product Type: RF coaxial antenna adapter | Connector 1: SMA male plug | Connector 2: F type female jack Adapter Material: Brass | Adapter Plated: Nickel Impedance: 50 Ohm Used for TV HDTV Receiver Tuner Antenna, CATV Satellite Boxes Set Top Boxes CATV Networks Package includes: 1pc SMA to F Adapter