| 540 | 540JCA | 540自承 | ||
| 内导体 | 材料 | 铜丝/铜包铝 | 铜丝/铜包铝 | 铜丝/铜包铝 |
| 直径 | 3.15mm | 3.15mm | 3.15mm | |
| 绝缘 | 材料 | PE | PE | PE |
| 直径 | 13.03mm | 13.03mm | 13.03mm | |
| 外导体 | 材料 | 铝带 | 铝带 | 铝带 |
| 厚度 | 0.25mm/0.6mm | 0.25mm/0.6mm | 0.25mm/0.6mm | |
| 直径 | 13.72mm | 13.72mm | 13.72mm | |
| 护套 | 材料 | 黑色PE | 黑色PE | 黑色PE |
| 厚度 | 0.89mm | 0.89mm | 0.89mm | |
| 直径 | 15.49mm | 15.49mm | 15.49mm | |
| 自承钢丝 | 直径 | / | / | 2.77mm/7*1.6mm |
| 阻抗 | 75±3 Ω | |||
| 速率 | 87% | |||
| 电容 | 50±3 pF/m | |||
| 火花测试 | 4000 kw | |||
| 回波 | 30-470MHz | 20 dB | ||
| 470-1000MHz | 20 dB | |||
| 衰减 | 频率(MHz) | 最大衰减(dB/100ft) | 最大衰减(dB/100m) | |
| 5 | 0.14 | 0.46 | ||
| 55 | 0.47 | 1.54 | ||
| 250 | 1.03 | 3.38 | ||
| 450 | 1.40 | 4.59 | ||
| 550 | 1.56 | 5.12 | ||
| 750 | 1.85 | 6.07 | ||
| 865 | 2.00 | 6.56 | ||
| 1000 | 2.17 | 7.12 | ||
| 540 | 540JCA | 540自承 | ||
| 内导体 | 材料 | 铜丝/铜包铝 | 铜丝/铜包铝 | 铜丝/铜包铝 |
| 直径 | 3.15mm | 3.15mm | 3.15mm | |
| 绝缘 | 材料 | PE | PE | PE |
| 直径 | 13.03mm | 13.03mm | 13.03mm | |
| 外导体 | 材料 | 铝带 | 铝带 | 铝带 |
| 厚度 | 0.25mm/0.6mm | 0.25mm/0.6mm | 0.25mm/0.6mm | |
| 直径 | 13.72mm | 13.72mm | 13.72mm | |
| 护套 | 材料 | 黑色PE | 黑色PE | 黑色PE |
| 厚度 | 0.89mm | 0.89mm | 0.89mm | |
| 直径 | 15.49mm | 15.49mm | 15.49mm | |
| 自承钢丝 | 直径 | / | / | 2.77mm/7*1.6mm |
| 阻抗 | 75±3 Ω | |||
| 速率 | 87% | |||
| 电容 | 50±3 pF/m | |||
| 火花测试 | 4000 kw | |||
| 回波 | 30-470MHz | 20 dB | ||
| 470-1000MHz | 20 dB | |||
| 衰减 | 频率(MHz) | 最大衰减(dB/100ft) | 最大衰减(dB/100m) | |
| 5 | 0.14 | 0.46 | ||
| 55 | 0.47 | 1.54 | ||
| 250 | 1.03 | 3.38 | ||
| 450 | 1.40 | 4.59 | ||
| 550 | 1.56 | 5.12 | ||
| 750 | 1.85 | 6.07 | ||
| 865 | 2.00 | 6.56 | ||
| 1000 | 2.17 | 7.12 | ||