F2-660BVM 75Ohm Coaxial Cable: Dual Cable, Bonded Tape,60& Braid, PVC Jacket, 1.83mm Messger. F2-660BVM 75Ohm Coaxial Cable:ELECTRICAL PROPERTIES:IMPEDANCE: 75.0+/-3.0 OhmsVelocity Of Propagation: 85.0% NormalAttenuation: @68°F(20°C)@Frequency MHzdB/100ft.(Max)dB/100Meters(Max)5MHz0.58dB1.90dB55MHz1.60dB5.25dB83MHz1.95dB6.40dB187MHz2.85dB9.35dB211MHz3.05dB10.02dB250MHz3.30dB10.86dB300MHz3.56dB11. ...