電纜 型式 | 減 衰 量 (dB / 20m) | |||
30MHz | 50MHz | 144MHz | 430MHz | |
5D-2V | 0.9 | 1.2 | 2.0 | 4.0 |
8D-2V | 0.7 | 0.9 | 1.5 | 3.0 |
10D-2V | 0.5 | 0.7 | 1.1 | 2.4 |
減衰量dB | 通過電力 | 減衰量dB | 通過電力 | 減衰量dB | 通過電力 |
0 | 100% | 1.7 | 67.6% | 3.4 | 45.7% |
0.1 | 97.7% | 1.8 | 66.1% | 3.5 | 44.7% |
0.2 | 95.5% | 1.9 | 64.6% | 3.6 | 43.7% |
0.3 | 93.3% | 2.0 | 63.1% | 3.7 | 42.7% |
0.4 | 91.2% | 2.1 | 61.7% | 3.8 | 41.7% |
0.5 | 89.1% | 2.2 | 60.3% | 3.9 | 40.7% |
0.6 | 87.1% | 2.3 | 58.9% | 4.0 | 39.8% |
0.7 | 85.1% | 2.4 | 57.5% | 4.1 | 38.9% |
0.8 | 83.2% | 2.5 | 56.2% | 4.2 | 38.0% |
0.9 | 81.3% | 2.6 | 55.0% | 4.3 | 37.2% |
1.0 | 79.4% | 2.7 | 53.7% | 4.4 | 36.3% |
1.1 | 77.6% | 2.8 | 52.5% | 4.5 | 35.5% |
1.2 | 75.9% | 2.9 | 51.3% | 4.6 | 34.7% |
1.3 | 74.1% | 3.0 | 50.1% | 4.7 | 33.9% |
1.4 | 72.4% | 3.1 | 49.0% | 4.8 | 33.1% |
1.5 | 70.8% | 3.2 | 47.9% | 4.9 | 32.4% |
1.6 | 69.2% | 3.3 | 46.8% | 5.0 | 31.6% |
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