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Coaxial Cables |  |
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RG 400 LTA
Construction
| 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 |