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    7D-FB

    Construction

    Inner conductor Bare copper/Copper clad steel Φ2.6 mm
    Dielectric Foam /Solid PE Φ7.3±0.02 mm
    Shield Bonded aluminium foil Φ7.5 mm
    Outer conductor Tinned copper braid Φ8.0 mm
    Shield coverage 85%
    Sheath PVC/PE Φ9.8 mm

    Electrical & Mechanical Characteristics

    Impedance 50±3 Ohm
    Nominal capacitance 82 pF/m
    Velocity of propagation 82%
    Insulation resistance >5000 Mohm.Km
    Inner conductor resistance 3.3(5.0) Ohm/Km
    Outer conductor resistance 9.3 Ohm/Km
    Operating temperature range -40°C - +85 °C
    Min.bending radius 49 mm

    Attenuation

    Frequency Attenuation Attenuation
    MHz dB/100m dB/100ft
    100 4.3 1.3
    150 5.3 1.6
    280 7.3 2.2
    350 8.3 2.5
    400 9 2.7
    800 13.1 4
    900 14.2 4.3
    1200 16.7 5.1
    1500 19 5.8
    1800 21.2 6.5
    1900 21.8 6.6
    2000 22.5 6.9
    2200 23.8 7.3
    2500 25.7 7.8
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