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Key Specifications/Special Features:
F Double female connector
Features:
Body: HPb59-1 and nickel plating or gold plating
Characteristic impedance: 75Ω
Frequency range: 0-1GHz
Contact resistance:
Center conductor: ≤10mΩ
Outer conductor: ≤5mΩ
Insulation resistance: ≥1000mΩ
VSWR straight: ≤1.2
Right angle: ≤1.30
Connector durability: 500
The F connector is a coaxial RF connector commonly used for "over the air" terrestrial television, cable television and universally for satellite television and cable modems, usually with RG-6/U cable or with RG-59/U cable.
http://www.dy-rfconnector.com/