1-1/4 Coaxial Cable
1-1/4 Coaxial Cable
The 1-1/4 Coaxial Cable is a robust RF transmission cable designed for reliable signal delivery in demanding wireless communication and telecommunications applications. Its larger diameter supports efficient RF power handling, low signal attenuation, and stable electrical performance over longer cable runs. The cable provides effective shielding to minimize electromagnetic interference and maintain signal integrity. It is suitable for antenna feeder systems, base stations, telecom infrastructure, broadcast networks, RF equipment, and outdoor communication installations. With durable construction and dependable performance, the 1-1/4 Coaxial Cable is an ideal choice for professional RF and high-power communication systems.
DIMENSION / MATERIAL
| Inner Conductor | Ø 13.00 ±0.10 mm | Ø 0.52 ±0.004 in Smooth copper tube |
| Dielectric | Ø 32.80 ±0.40 mm | Ø 1.29 ±0.016 in Physically foamed PE |
| Outer Conductor | Ø 35.80 ±0.30 mm | Ø 1.40 ±0.012 in Ring corrugated Copper |
| Jacket | Ø 38.80 ±0.30 mm | Ø 1.07 ±0.012 in PE black |
Mechanical Specification
| Minimum Bending Radius | Single | 200 mm | 7.87 in |
| Minimum Bending Radius | Repeated | 380 mm | 14.96 in |
| Max. Tensile Force | 5900 N | 1326.26 lbf | |
| Crush Resistance | 2.2 kg/mm | 123.2 lb/in | |
| Recommended Clamp Spacing | 1200 mm | 47 in | |
| Weight | 0.98 kg/m | 0.66 lb/ft |
Electrical Specification
| Impedance | 50 Ω ±1 |
| Propagation Velocity | 88 % |
| Capacitance | 75 pF/m | 22.87 pF/ft |
| Inductance | 0.184 µH/m | 0.056 µH/ft |
| Inner Conductor | DC resistance 0.85 Ω/km | 0.26 Ω/kft |
| Outer Conductor | DC resistance 0.80 Ω/km | 0.24 Ω/kft |
| DC Breakdown Voltage | 9.0 kV |
| Peak Power | 205 kW |
| Max. Operating Frequency | 3.3 GHz |
| Insulation Resistance | >5 x 10³ MΩkm | >1.5 x 10³ MΩkft |
| Screening Attenuation | >> 120 dB |
| Cut-off Frequency | 3.3 GHz |
| VSWR (Selected Frequency Ranges) | ≤ 1.13 |
| Propagate Velocity | 88 % |
| Standard Condition | Attenuation: 20°C | 68°F ambient temperature Mean power: 40°C | 104°F ambient temperature |