SRFS Teleinfra

BM 250 L Tight-Bend Triple-Shielded Flexible RF Cable

BM 250 L Tight-Bend Triple-Shielded Flexible RF Cable

The Tight Bend Triple-Shielding Flexible Cable BM 250 L is a high-performance RF cable designed for reliable signal transmission in demanding environments. Its tight-bend construction provides excellent flexibility, allowing easy routing through compact spaces and complex equipment layouts. The triple-shielding design delivers superior protection against electromagnetic interference and minimizes unwanted signal leakage. BM 250 L is suitable for RF, microwave, wireless communication, test and measurement, antenna, laboratory, and electronic applications. It offers dependable electrical performance, mechanical flexibility, and enhanced shielding, making it an ideal choice for professional systems requiring stable, low-interference, and consistent RF connectivity.

Cable Construction

No. Construction Size (mm) Materials
1 Center conductor 0.51 Silver plated copper
2 Dielectric 1.55 Low density PTFE
3 Outer conductor 1.71 Silver plated copper wire braiding
4 Middle layer 1.81 Aluminum foil
5 Outer shield 2.04 Stainless steel wire
6 Jacket 2.50 FEP

Electrical

Frequency DC-67 GHz
Impedance 50 Ω
Velocity of Propagation 75%
Shielding Effectiveness >90 dB
Withstanding Voltage 500 V

Mechanical & Environmental

Min. Bending Radius Static 360° 10mm
Min. Bending Radius Repeated 25mm
Weight 16g/m
Temperature (Operation) -50~150 °C
Temperature (Storage) -60~160 °C

Bulk Cable Attenuation

Frequency MHz 300 1000 2000 4000 6000 12000 16000 18000 27000 40000 50000 67000
dB/100 Meter 39.1 72.1 102.9 147.4 182.2 263.2 307.3 327.5 408.9 508.8 577.1 682.3
Avg. Power kW 0.190 0.103 0.072 0.050 0.041 0.028 0.024 0.023 0.018 0.015 0.013 0.011