M17/77-RG 216
Construction :
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Inner conductor Tinned copper 7 x 0.40 mm Dielectric Low density PE Φ7.25 ± 0.18 mm Outer conductor(shield 1) Plain copper 216 x 0.16 mm Shield coverage 97% Outer conductor(shield 2) Plain copper 192 x 0.16 mm Shield coverage 96% Outer sheath PVC or LSZH Φ10.8 ± 0.18 mm -
Electrical & Mechanical Characteristics :
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Impedance 75±5 Ohm Nominal capacitance 67 pF/m Velocity of propagation 66% Insulation resistance >2000 Mohm.Km Inner conductor resistance 20.5 Ohm/Km Outer conductor resistance 3.3 Ohm/Km Test/Operatig Voltage(max) 5.0 KV/3.5 KV Operating temperature range -30 °C - +70 °C Copper weight 97.3 Kg/Km Cable weight (approx.) 187.0 Kg/Km Screening effectiveness >70 dB
Attenuation :
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Frequency(MHz) Attenuation (dB/100 m) Attenuation (dB/100ft) 50 4.2 1.28 100 6.2 1.89 200 9.3 2.84 400 13.8 4.21 500 15.5 4.73 600 17.1 5.21 860 22.1 6.74 1000 23.4 7.13
Return Loss :
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30-300 MHz >30dB 300-600 MHz >27dB 600-900 MHz >25dB