1-1/4” Feeder Cable
The 1-1/4” Feeder Cable is a high-performance RF coaxial cable designed for efficient signal transmission in wireless communication and telecommunications systems. Its robust construction supports low signal attenuation, reliable power handling, and stable electrical performance across demanding applications. Effective shielding helps minimize electromagnetic interference and maintain signal integrity over longer cable runs. The cable is suitable for antenna feeder systems, base stations, wireless networks, telecom infrastructure, broadcast equipment, and RF communication installations. With durable construction and dependable performance, the 1-1/4” Feeder Cable provides a reliable solution for professional RF, high-power, and long-distance communication systems.
Electrical Specifcations
| Impedance (Ω) | 50±1 |
| Capacitance (PF/m) | 80 |
| Peak Power (KW) | 19 |
| Propagation Velocity (%) | 83 |
| RF Peak Voltage (KV) | 1.13 |
| Insulation Resistance (MΩ·km) | >5×10³ |
| Insulation Voltage (KV rms) | 2.5 |
| Screening Attenuation (dB) | >>120 |
| Inner Conductor DC Resistance (Ω/km) | 2.85 |
| Outer Conductor DC Resistance (Ω/km) | 3.5 |
| Screening Attenuation (dB) | >>120 |
| Jacket Spark (K Vrms) | 5 |
| Cut Off Frequency (GHz) | 12.5 |
Mechanical Specifcations
| Min Single Bending Radius (mm) Min | 50 |
| Repeated Bending Radius (mm) | 125 |
| No. of Bends | 15 |
| Tensile Strength (kg) | 110 |
| Recommended Temperature (°C) |
PE Jacket — Store: -55~+85°C Installation: 20~+60°C Operation: -55~+85°C Fire Retardant PE Jacket — Store: -55~+85°C Installation: 20~+60°C Operation: -55~+85°C |
Material & Finish
| Inner Conductor | Copper clad aluminum | Nom. 4.8 ± 0.1 mm |
| Dielectric | Foamed Polyethylene | Nom. 12.2 ± 0.2 mm |
| Outer Conductor | Corrugated Aluminum tube | Nom. 13.7 ± 0.20 mm |
| Jacket | Standard black PE or Flame Retardant/Halogen-Free black PE | Nom. 15.8 ± 0.30 mm |