Superbat RF Coaxial Cable Adapter Connector 10 Feet M17/60-RG142 - Male to Female Coaxial Cable Adapter for Satellite TV Antenna. M17 Part No.: M17/60-RG142. PHYSICAL PROPERTIES: Inner conductor: Sliver plated copper, Insulation: PTFE, Outer conductor: Sliver plated copper double braiding, Jacket: FEP. ELECTRICAL PROPERTIES: Nom. Capacitance Conductor to Shield: 96.5pF/m, Nom. Characteristic Impedance: 50Ohm, Nom. Velocity of Propagation: 70, Min. Bend Radius Install: 25mm, Voltage Rating: 1900VMS, Max. Operating Frequency: 8000MHz, Operating Temperature Rating: - 55 to +200°C. Nom. Attenuation: Frequency(MHz) - Nom. Attenuation(¯dB/m): 100 - 0.125, 400 - 0.256, 1000 - 0.420, 3000 - 0.781, 5000 - 1.050