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Tight Bend Triple-Shielding Flexible Cable BM260L
The Tight Bend Triple-Shielding Flexible Cable BM260L is a high-performance RF cable engineered for reliable signal transmission in demanding communication and microwave applications. Its flexible construction allows tight bending and easy routing in compact installations without compromising performance. The triple-shielding design provides enhanced protection against electromagnetic interference, external noise, and signal leakage, ensuring stable and dependable connectivity. BM260L is suitable for RF test equipment, wireless communication systems, antenna assemblies, laboratory instruments, and other high-frequency applications. It offers an excellent combination of flexibility, shielding effectiveness, durability, and consistent electrical performance for professional RF installations.
Cable Construction
| No. | Construction | Size (mm) | Materials |
|---|---|---|---|
| 1 | Center conductor | 0.56 | Silver plated copper |
| 2 | Dielectric | 1.70 | Low density PTFE |
| 3 | Outer conductor | 1.85 | Silver plated copper wire braiding |
| 4 | Middle layer | 1.98 | Aluminum foil |
| 5 | Outer shield | 2.24 | Stainless steel wire |
| 6 | Jacket | 2.64 | FEP |
Electrical
| Frequency | DC-50 GHz |
| Impedance | 50 Ω |
| Velocity of Propagation | 75% |
| Shielding Effectiveness | >90 dB |
| Withstanding Voltage | 500 V |
| *Mechanical Phase Stability | <±6° @ 40GHz, <±8° @ 50GHz |
| Amplitude Stability vs Shaking | <±0.2 dB |
| * Wrapped 360° around a 26 mm radius mandrel. | |
Mechanical & Environmental
| Min. Bending Radius Static 360° | 10.5mm |
| Min. Bending Radius Repeated | 26mm |
| Weight | 17g/m |
| Temperature (Operation) | -50~150 °C |
| Temperature (Storage) | -60~160 °C |
Bulk Cable Attenuation
| Attenuation & Average Power Specifications | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Frequency MHz | 300 | 1000 | 2000 | 4000 | 6000 | 9200 | 10000 | 12400 | 18000 | 26500 | 40000 | 50000 |
| dB/100 Meter | 32.6 | 60.1 | 85.8 | 122.8 | 151.9 | 190.4 | 199.0 | 223.2 | 272.9 | 337.2 | 424.0 | 480.9 |
| Avg. Power kW | 0.500 | 0.271 | 0.190 | 0.133 | 0.107 | 0.086 | 0.082 | 0.073 | 0.060 | 0.048 | 0.038 | 0.034 |
| Attenuation at any frequency = [1.860000×SQRT(FMHz)] + [0.001300×FMHz] | ||||||||||||