Lmr195 Lmr series Construction Itemmaterialdiameter(inch/mm) Inner conductorbare copper0.037 0.94 Dietectricfoam pe0.110 2.79 First shieldbonded aluminum foil0.116 2.95 Second shieldtinned copper wire barid0.139 3.53 Jacketpvc or pe0.195 4.95 Electrical characteristics Capacitance(pf/m)83.3 Impedance(î©)50+/-3 Velocity of propagation(%)80.0 Return loss(db)20 Screening effectivense(db)90 Inner conductor dcr(î©/km)24.9 Outer shield dcr(ohm/km)16.1 Voltage withstand(volts dc)1000.0 Spark test(vrms)3000.0 Installation temp range() -40 to +85 Operating temp range() -40 to +85 Attenuation(@20) Frequencymax attenuationmax attenuation (mhz)(db/100ft)(db/100m) 302.0 6.5 502.6 8.4 1504.5 14.6 2205.4 17.7 4507.8 25.5 90011.1 36.5 150014.5 47.7 180016.0 52.5 200016.9 55.4 250019.0 62.4 580029.9 98.1