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    CAL 70

    Construction

    Inner conductor 

    Plain copper 

    7 x 0.40 mm 

    Dielectric 

    Foam PE 

    Φ4.95 ± 0.10 mm 

    Outer conductor (shield 1) 

    Aluminium + polyester + Aluminium tape 

     

    Shield coverage 

     

    100%

    Outer conductor (shield 2) 

    Tinned copper 

    96 x 0.15 mm 

    Shield coverage 

     

    71%

    Sheath 

    Blue PVC 

    Φ7.00 ± 0.10 mm 

    Electrical & Mechanical Characteristics

    Nominal capacitance 

    53 pF/m 

    Velocity of propagation 

    84%

    Insulation resistance 

    >5000 Mohm.Km 

    Inner conductor resistance 

    20.5 Ohm/Km 

    Outer conductor resistance 

    13.5 Ohm/Km 

    Operating temperature range 

    -25 °C - +80 °C 

    Copper weight 

    24.6 Kg/Km 

    Cable weight (approx.) 

    56.25 Kg/Km 

    Screening effectiveness 

    >85 dB 

    Attenuation

    Frequency(MHz)  

    Attenuation (dB/100 m)  

    Attenuation (dB/100 ft)  

    50 4.4 1.34

    230

    9.5

    2.9

    470

    13.7

    4.18

    860

    19.2

    5.85

    1000

    21

    6.4

    1350

    24.7

    7.53

    1500

    26.6

    8.11

    1750

    28.7

    8.75

    2150

    32.4

    9.88

    2400

    34.7

    10.58

    Return Loss

    30-470 MHz

    >30dB

    470-860 MHz

    >26dB

    860-2400 MHz

    >22dB 

     

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