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最具性价比高的卫星电视F头线，每米未含税出厂价格0.3元，F头另外加价0.6元,长度20米单价6.6元，每件30卷包装，如需开增值税票另外付税金8%元.
1． 要求Demands
2. 结构（符合下表）Specifications( In conformity with following table)
|
内导体 Inner conductor |
0.8mm CCS |
铜包钢丝导电率为15% CCS rate of velocity 18% |
|
|
绝缘体 Insulation |
4.8±0.1mmFPE |
FPE物理发泡，重量控制为4.5g/m Weight control about 5.8~6.7g/m |
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外导体Out conductor |
铝箔 Al foil |
单面铝箔 Single Foil Tape |
厚度为0.04±0.005mm Thickness 0.04±0.005mm |
|
编织 Braiding |
0.12mm |
32网铝镁合金丝 |
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护套 Out jacket |
6.80mm |
200份PVC白料。见护套的技术指标。 Look at the technical of out jacket |
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3.电性能（见下表）Electronic performance ( In conformity with following table)
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名称Type |
特性阻抗（Ω）Impedance |
衰减常数Attenuation |
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(≤DB/100M) |
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SYWV-75-5 |
75±2 |
5MHz |
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55MHz |
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211MHz |
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450MHz |
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550MHz |
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750MHz |
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865MHz |
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1000MHz |
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