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M17/127-RG393 (RG 393/U)
Construction
| Inner conductor | Silver plated copper | 7x0.79mm |
| Dielectric | Solid PTFE | Φ7.25±0.18mm |
| Outer conductor(shield1) | Silver plated copper | 144x0.16mm |
| Shield coverage | 95% | |
| Outer conductor(shield2) | Silver plated copper | 144x0.16mm |
| Shield coverage | 95% | |
| Sheath | FEP | Φ9.90mm |
Electrical & Mechanical Characteristics
Impedance :50±3Ohm
Nominal capacitance :94pF/m
Velocity of propagation :70%
Insulation resistance :>2000Mohm.Km
Inner conductor resistance :4.99Ohm/Km
Outer conductor resistance :4.0Ohm/Km
Test/Operatig Voltage(max) :5.0KV/2.5KV
Operating temperature range :-55°C-+200°C
Copper weight :-Kg/Km
Cable weight(approx.) :240Kg/Km
Screening effectiveness :80dB
Attenuation
| Frequency(MHz) | Attenuation(dB/100m) | Attenuation(dB/100ft) |
| 100 | 6.6 | 2.01 |
| 200 | 9.7 | 2.96 |
| 400 | 14.3 | 4.36 |
| 900 | 22.1 | 6.74 |
| 1000 | 24 | 7.32 |
| 2000 | 34.4 | 10.49 |
| 3000 | 47 | 14.33 |
| 5000 | 65 | 19.82 |
Return Loss
| 30-300MHz | >30dB |
| 300-600MHz | >28dB |
| 600-900MHz | >23dB |