VHF Leaky Feeder Cable 75 Ohm Mine Site Communication Cable

Construction Parameters:

Inner Conductor

2.31 ± 0.05mm Bare Copper

Dielectric

9.50 ± 0.20mm Foamed PE

Shield

16 x 0.60mm Bare Copper Wire Braid

Inner Jacket

13.00 ± 0.20mm PE Black

Outer Jacket

15.00 ± 0.20mm FR-PVC or LSZH

Application

For Use in Mines Underground Communication System

Electrical Characteristics:

     Inner Conductor DC
     Resistance

The Max. shall be <4.1 Ω/km                                                            

     Outer Conductor DC
     Resistance

The Max. shall be <3.9 Ω/km                                                            

Insulation Resistance

＞10.4 Ω/km                                                            

Capacitance

54 pF/m

Impedance

75±3  Ω

Frequency

5 to 500MHZ

    Attenuation

≤3.4dB/100m @ 85MHZ

≤4.2dB/100m @ 150MHZ

≤4.8dB/100m @ 160MHZ

≤6.2dB/100m @ 450MHZ

Cross Section：

Mechanical and Envrionmental Properties：

Minimum Bend Radius

150mm

Operating Temp Range

-40 ℃ to +70℃

Cable Diamensions

15.00 ± 0.20mm FR-PVC or LSZH