SRFS Teleinfra

Semi-Rigid GS Series GS120

Semi-Rigid GS Series GS120

The Semi-Rigid GS Series GS120 Coaxial Cable is a precision-engineered RF cable designed for reliable high-frequency signal transmission and demanding microwave applications. Its semi-rigid construction provides excellent mechanical stability, consistent impedance, and superior shielding performance. The GS120 is suitable for applications where controlled cable routing, low signal loss, and dependable electrical performance are essential. It is widely used in RF test equipment, communication systems, laboratory instruments, antenna assemblies, and electronic devices. Designed for precision installation, the GS Series GS120 offers durable construction and stable performance for professional RF and microwave connectivity requirements.

Cable Construction

No. Construction Size (mm) Materials
1 Center Conductor 0.94 Solid silver-plated copper
2 Dielectric 2.75 LD-PTFE
3 Outer Conductor 3.10 Bare copper or ternary alloy plated copper

Electrical

Frequency DC-40 GHz
Impedance 50 Ω
Velocity of Propagation 76%
Shielding Effectiveness >150 dB @ 8 GHz
Working Voltage (DC) 1000 V

Mechanical & Environmental

Inside Bend Radius 10mm
Weight 35g/m
Temperature (Operation) -60~200 °C

Bulk Cable Attenuation

Frequency MHz 300 1000 2000 4000 6000 8000 10000 12000 16000 18000 26500 40000
dB/100 Meter 18.5 34.0 48.4 69.1 85.3 99.1 111.4 122.7 142.9 152.2 187.4 234.6
Avg. Power kW 0.940 0.511 0.359 0.251 0.203 0.175 0.156 0.141 0.121 0.114 0.093 0.074
Attenuation at any frequency = [1.055000×SQRT(FMHz)] + [0.005905×FMHz]