RG Type Low Loss Coaxial Cables RG 240 LL Construction Inner conductor Dielectric Outer conductor (shield 1) Shield coverage Outer conductor (shield 2) Shield coverage Sheath
Plain copper Foam PE Aluminium + polyester + Aluminium tape Tinned copper
n o is PVC or LSZH
1.40 mm Φ3.80 ± 0.10 mm 100% 112 x 0.12 mm 80% Φ6.10 ± 0.10 mm
Electrical & Mechanical Characteristics
d d A
Impedance Nominal capacitance Velocity of propagation Insulation resistance Inner conductor resistance Outer conductor resistance Operating temperature range Copper weight Cable weight (approx.) Screening effectiveness
& n
50±3 Ohm 80 pF/m 84% >5000 Mohm.Km 11.5 Ohm/Km 14.5 Ohm/Km -30 °C - +70 °C 25.9 Kg/Km 52.6 Kg/Km >90 dB
PVC or LSZH sheath AL+polyester +ALtape Plain copper inner conductor Foamed PE dielectric
Attenuation
Tinned copper outer conductor
Frequency(MHz) 50 100 400 600 860 1000 1750 2400
Attenuation (dB/100 m) 5.7 7.8 16.2 20.0 24.2 26.0 36.0 43.1
Attenuation (dB/100ft) 1.74 2.38 4.94 6.10 7.38 7.93 10.98 13.14
Return Loss 30-300 MHz 300-600 MHz 600-900 MHz
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>28dB >24dB >19dB
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