目錄:江蘇萬聯電氣有限公司>>特種電纜>> UTP 五類25對非屏蔽數據線纜
| 頻率（MHz） | 特性阻抗（ohm） | 回波損耗（db） | 衰減db/100m | 近端串音db/100m | 等效遠端串音db/100m |
| 0.772 | 100±15 | 19.4 | 1.8 | 67.0 | 66.2 |
| 1.0 | 20.0 | 2.0 | 65.3 | 64.0 | |
| 4.0 | 23.0 | 4.1 | 56.3 | 52.0 | |
| 8.0 | 24.5 | 5.8 | 51.8 | 45.9 | |
| 10.0 | 25.0 | 6.5 | 50.3 | 44.0 | |
| 16.0 | 25.0 | 8.2 | 47.2 | 39.9 | |
| 20.0 | 25.0 | 9.3 | 45.8 | 38.0 | |
| 25.0 | 24.3 | 10.4 | 44.3 | 36.0 | |
| 31.25 | 23.6 | 11.7 | 42.9 | 34.1 | |
| 62.5 | 21.5 | 17.0 | 38.4 | 28.1 | |
| 100.0 | 20.1 | 22.0 | 35.3 | 24.0 |
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