ZTT 50-ohm, 7/8-inch coaxial cable with a corrugated copper outer conductor and a black LSZH flame retardant polyolefin jacket.
| عنصر | Diameter(mm) | المادة |
| Inner conductor | 9.00±0.10 | Copper tube |
| Insulation | 22.30±0.20 | Foamed polyethylene |
| Outer copper conductor | 24.90±0.35 | Annular corrugated copper tube |
| Jacket | 27.50±0.30 | LSZH polyolefin |
| عنصر | المواصفات |
| Lay environment temperature | -20～+70℃ |
| Characteristics impedance | 50±2Ω |
| Velocity | 88% |
| Min. insulation resistance | 10000 MΩ·km @DC 500V ,1 minute |
| Capacitance | 76 pF/m |
| Dielectric strength | DC 10000V 1 minute |
| VSWR typical value | ≤1.20@820~960MHz |
| ≤1.20@1710~2500MHz |
| Frequency (MHz) | Attenuation(dB/100m) |
| 100 | 1.17 |
| 200 | 1.69 |
| 300 | 2.11 |
| 400 | 2.48 |
| 450 | 2.64 |
| 800 | 3.63 |
| 900 | 3.86 |
| 1000 | 4.12 |
| 1800 | 5.75 |
| 2000 | 6.11 |
| 2200 | 6.46 |
| 2500 | 6.95 |
| 2700 | 7.28 |
| 3000 | 7.75 |
| 3500 | 8.35 |
| 3600 | 8.47 |
| 3800 | 8.77 |
| 4000 | 9.09 |
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