| Construction Specification | ||||
| Standard | 320 | 412 | 500 | 540 |
| (series) | (series) | (series) | (series) | |
| Inner Conductor (mm) | 1.80 | 2.26 | 2.78 | 3.15 |
| Dielectric (mm) | 7.45 | 9.30 | 11.50 | 13.03 |
| Outer Conductor (mm) | 8.12 | 10.50 | 12.70 | 13.72 |
| Outer Sheath (mm) | 10.03 | 12.50 | 14.70 | 15.30 |
| Electrical Characteristics | ||
| Impedance | 75+/-2 ohms | |
| Nominal Capacitance | 50 pF/m 15.2pF/ft | |
| Nominal Velocity of Propagation | 88% | |
| Screen Efficiency at 5 Mhz | 135Db min | |
| Dielectric Strength | Dielectric | 2.5Kv |
| Outer Shrath | 5kV | |
| Attenuation | ||||
| Standard | 320 series | 412 series | 500 series | 540 series |
| f(MHz) | Max. dB/100m | Max. dB/100m | Max.dB/100m | Max. dB/100m |
| 50 | 2.67 | 2.13 | 1.69 | 1.44 |
| 100 | 3.84 | 3.04 | 2.42 | 2.09 |
| 200 | 5.48 | 4.36 | 3.48 | 3.04 |
| 300 | 6.69 | 5.39 | 4.32 | 3.71 |
| 400 | 7.8 | 6.28 | 5.04 | 4.33 |
| 450 | 8.27 | 6.69 | 5.37 | 4.59 |
| 500 | 8.72 | 7.07 | 5.69 | 4.89 |
| 550 | 9.34 | 7.44 | 5.99 | 5.12 |
| 600 | 9.78 | 7.80 | 6.28 | 5.38 |
| 650 | 10.18 | 8.15 | 6.56 | 5.65 |
| 750 | 10.86 | 8.80 | 7.10 | 6.07 |
| 850 | 11.77 | 9.42 | 7.61 | 6.51 |
| 1000 | 12.76 | 10.30 | 8.34 | 7.12 |
