
ZTT 50-ohm, 1/4-inch coaxial cable with a corrugated copper outer conductor and a black LSZH flame retardant polyolefin jacket.
| Item | Diameter(mm) | Material |
| Inner conductor | 2.6±0.05 | Copper clad aluminum wire |
| Insulation | 6.5±0.10 | Foamed polyethylene |
| Outer copper conductor | 7.7±0.20 | Annular corrugated copper tube |
| Jacket | 9.0±0.20 | LSZH polyolefin |
| Item | Specification |
| Lay environment temperature | -20~+70℃ |
| Characteristics impedance | 50±2Ω |
| Velocity | 86% |
| Min. insulation resistance | 5000 MΩ·km @DC 500V ,1 minute |
| Capacitance | 77 pF/m |
| Dielectric strength | DC 2000V 1 minute |
| VSWR typical value | ≤1.20@820~960MHz |
| ≤1.20@1710~2500MHz |
| Frequency (MHz) | Attenuation(dB/100m) |
| 100 | 4.80 |
| 200 | 6.50 |
| 300 | 8.00 |
| 400 | 9.00 |
| 450 | 9.14 |
| 800 | 12.7 |
| 900 | 13.3 |
| 1000 | 14.1 |
| 1800 | 19.5 |
| 2000 | 20.6 |
| 2200 | 21.8 |
| 2500 | 23.4 |
| 2700 | 24.7 |
| 3000 | 26.1 |
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