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M17/6-RG 12 (RG12A/U)
Construction
| Inner conductor | Tinned copper | 7x0.40mm |
| Dielectric | Lowdensity PE | Φ7.25±0.18mm |
| Outer conductor(shield1) | Plain copper | 192x0.18mm |
| Shield coverage | 97% | |
| Inner sheath | PVC | Φ10.3±0.18mm |
| Outer conductor(shield2) | Zinc-platedsteel wire(FE-ZN) | 144x0.24mm |
| Shield coverage | 85% | |
| Outer sheath | PVC or LSZH | Φ14.30±0.20mm |
Electrical & Mechanical Characteristics
Impedance:75±5Ohm
Nominal capacitance :67pF/m
Velocity of propagation:66%
Insulation resistance :>2000Mohm.Km
Inner conductor resistance :20.5Ohm/Km
Outer conductor resistance :4.5Ohm/Km
Test/Operatig Voltage(max) :8.0KV/5.0KV
Operating temperature range :-30°C-+70°C
Copper weight :57Kg/Km
Cable weight(approx.) :298.5Kg/Km
Screening effectiveness :>70dB
Attenuation
| Frequency(MHz) | Attenuation(dB/100m) | Attenuation(dB/100ft) |
| 50 | 4.2 | 1.28 |
| 100 | 6.2 | 1.89 |
| 200 | 9.3 | 2.84 |
| 400 | 13.8 | 4.21 |
| 500 | 15.5 | 4.73 |
| 600 | 17.1 | 5.21 |
| 860 | 21.1 | 6.43 |
| 1000 | 23.4 | 7.13 |
Return Loss
| 30-300MHz | >30dB |
| 300-600MHz | >27dB |
| 600-900MHz | >25dB |