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3D-FB
Construction
| Inner conductor | Bare copper/Copper cladsteel | Φ1.07mm |
| Dielectric | Foam/Solid PE | Φ3.0±0.02mm |
| Shield | Bonded aluminium foil | Φ3.2mm |
| Outer conductor | Tinned copper braid | Φ3.6mm |
| Shield coverage | 85% | |
| Sheath | PVC/PE | Φ5.4mm |
Electrical & Mechanical Characteristics
Impedance :50±3Ohm
Nominal capacitance :82pF/m
Velocity of propagation :81%
Insulation resistance :>5000Mohm.Km
Inner conductor resistance :19.2(65.2)Ohm/Km
Outer conductor resistance :16.3Ohm/Km
Operating temperature range :-40°C-+85°C
Min.bending radius :27mm
Attenuation
| Frequency(MHz) | Attenuation(dB/100m) | Attenuation(dB/100ft) |
| 100 | 10.4 | 3.2 |
| 150 | 13 | 4 |
| 280 | 17.5 | 5.3 |
| 350 | 19.5 | 5.9 |
| 400 | 21 | 6.4 |
| 800 | 30 | 9.1 |
| 900 | 31.6 | 9.6 |
| 1200 | 37 | 11.3 |
| 1500 | 41.5 | 12.6 |
| 1800 | 45.6 | 13.9 |
| 1900 | 46.9 | 14.3 |
| 2000 | 48.2 | 14.7 |
| 2200 | 50.6 | 15.4 |
| 2500 | 54.1 | 16.5 |