Coaxial Cables

RG 400 LL

Construction

Coaxial Cables

Inner conductor Plain copper 2.62 mm
Dielectric Gas injected foam PE Φ7.20±0.10mm
Outer conductor (shield 1) Aluminium+polyester+Al tape
Shield coverage 100%
Outer conductor (shield 2) Tinned copper 128 x 0.15mm
Shield coverage 70%
Tape Non-migrating tape h.27mm
Sheath PVC or LSZH Φ10.30±0.18mm

 

Electrical & Mechanical Characteristics

Impedance 50±3 Ohm
Nominal capacitance 80 pF/m
Velocity of propagation 84%
Insulation resistance >5000 Mohm.Km
Inner conductor resistance 3.2 Ohm/Km
Outer conductor resistance 7.5 Ohm/Km
Operating temperature range -40 °C - +75 °C
Copper weight 71.0 Kg/Km
Cable weight (approx.) 122.1 Kg/Km
Screening effectiveness >85 dB

 

Attenuation

Frequency(MHz) Attenuation (dB/100 m) Attenuation (dB/100ft)
50 2.5 0.76
100 3.6 1.1
400 7.9 2.41
600 10.1 3.08
860 12.1 3.69
1000 13.2 4.02
1750 18.7 5.7
2400 22.2 6.77

 

Return Loss

30-300 MHz >29dB
300-600 MHz >26dB
600-900 MHz >24dB