Winchester Electronics 2439-5-12 Option: HERMETIC Manufacturer Series: 2439-5 Adapter Style: TNC-TNC Characteristic Impedance: 50 ohm Connection Type: RF STRAIGHT ADAPTER Contact Gender: FEMALE-FEMALE Coupling Type: THREADED Dielectric Material: POLYTETRAFLUORO ETHYLENE Insertion Loss: 0.1800 dB Operating Frequency-Max: 11 GHz Panel Mount: Yes VSWR: 1.3