With reference to the United States TIMES company PTL standard manufacturing 50 ohm RF cable, with foam degree of about 80% of the ultra-high foam polyethylene, low attenuation, the temperature coefficient is small, the temperature changes have good stability. It is mainly used as a low loss, low VSWR signal transmission line in wireless base stations such as mobile communication, antenna feeder, microwave transmission, broadcasting communication and other systems base stations, and the connection between receiver and antenna or other high frequency fields.
Tel：0086-18626879155
E-mail：peter@ptlcable.com
| Item | Material | Diameter（mm） | |
| 1： Inner Conductor | Bare copper wire or copper clad aluminum wire | 3.5士0.1 | |
| 2：Insulation | Foam PE | 10.0士0.1 | |
| 3 : Shield | Self-adhesive aluminium box | 10.2士0.03 | |
| 4 : Outer conductor | Tinned Copper Wire Braid | 10.8士0.05 | |
| 5：Jacket | PE 或 PVC | 13.0士0.5 | |
| Impedance（Q） | 50士2 | ||
| Capacitance（pF/m） | 84 | ||
| DC Resistance（Q/KM） | 1.8/3.0 | ||
| Outer Condctor DC（Q/KM） | 6.40 | ||
| Installation Temp（℃） | -20-+60 | ||
| Operating Temp（℃） | -25-+70 | ||
| Screening Effectiveness（dBC） | >80 | ||
| Frequency （MHz） | Attenuation（dB/100m） | ||
| 30 | 6.88 | ||
| 50 | 8.20 | ||
| 150 | 13.77 | ||
| 220 | 16.72 | ||
| 450 | 24.26 | ||
| 900 | 35.08 | ||
| 1500 | 46.88 | ||
| 1800 | 51.80 | ||
| 2000 | 55.08 | ||
| 2500 | 62.95 | ||
| 3000 | 70.16 | ||
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