RG 58 URM (URM76)
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Construction :
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Inner conductor Plain copper 7 x 0.32 mm Dielectric Low density PE Φ2.95 ± 0.10 mm Outer conductor (shield) Plain copper 96 x 0.12 mm Shield coverage 86% Sheath PVC or LSZH Φ5.00 ± 0.10 mm -
Electrical & Mechanical Characteristics :
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Impedance 50±3 Ohm Nominal capacitance 100 pF/m Velocity of propagation 66% Insulation resistance >2000 Mohm.Km Inner conductor resistance 32 Ohm/Km Outer conductor resistance 17.5 Ohm/Km Operating temperature range -30 °C - +70 °C Copper weight 15.4 Kg/Km Cable weight (approx.) 36.9 Kg/Km Screening effectiveness >55 dB
Attenuation :
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Frequency(MHz) Attenuation (dB/100 m) Attenuation (dB/100ft) 50 9.4 2.87 100 13.5 4.12 200 19.9 6.07 400 29.2 8.90 500 33.2 10.12 600 36.8 11.22 860 45.6 13.90 1000 50.4 15.37
Return Loss :
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30-300 MHz >28dB 300-600 MHz >24dB 600-900 MHz >22dB