Technical Specification of LLC 300 BC Coaxial Cable
Product Overview
This 50 Ohm coaxial cable features a UV-resistant jacket and serves as a drop-in replacement for RG8X. It is engineered for antenna feeder jumper assemblies and runs that demand high performance, flexibility, and low RF loss. The product is manufactured year-round, ensuring consistent quality, competitive pricing, timely delivery, and reliable service.
Construction Parameters
Component | Specification |
Inner Conductor | 1.78±0.03mm Bare Copper Wire |
Dielectric | 4.83±0.15mm Foamed PE |
Shield | Bonded Aluminum Polyester Tape |
Outer Conductor | 5.72mm Tinned Copper Braid |
Jacket | 7.62±0.2mm Black PE (Optional: FRPE / PVC / PVC W) |
Electrical Characteristics
Parameter | Value |
Capacitance | 78.8 pF/m |
Velocity of Propagation | 83% |
Peak Power Rating | 10 KW |
Maximum Operating Frequency | 6 GHz |
Insulation Resistance | >5000 MΩ·km |
Shielding Effectiveness | >90 dB |
Inner Conductor DC Resistance | 7.0 Ω/km |
Outer Conductor DC Resistance | 7.3 Ω/km |
VSWR (Return Loss) - 30MHz-3000MHz | ≤1.20 (≥20 dB) |
Attenuation (20℃)
Frequency (MHz) | Max Attenuation (dB/100m) | Avg. Power (KW) |
30 | 3.50 | 2.09 |
50 | 4.50 | 1.62 |
150 | 7.90 | 0.92 |
220 | 9.60 | 0.76 |
450 | 13.80 | 0.52 |
900 | 19.90 | 0.36 |
1500 | 26.00 | 0.28 |
1800 | 28.70 | 0.25 |
2000 | 30.30 | 0.24 |
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