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HUBER+SUHNER Flexible Low-Loss SPUMA Cable Assemblies

HUBER+SUHNER Flexible Low-Loss SPUMA Cable Assemblies feature an 8GHz operating frequency, 50Ω impedance, 3.9ns/m signal delay, and 85% propagation velocity. HUBER+SUHNER Flexible Low-Loss SPUMA Cable Assemblies are validated for operation in high-moisture, high-fungus, and high-vibration environments, and are flame-retardant. The cable assemblies are designed for railway, defense, and wireless infrastructure applications. 

Features

  • Validated test characteristics
    • High-frequency and random vibration
    • Saw-tooth and θ/2 mechanical shock
    • Temperature, humidity, altitude
    • Moisture resistance
    • Thermal shock
    • Fungus resistance
    • Sand and dust
    • Solar radiation
    • Salt fog
  • Low-loss coaxial assembly
  • LSFH jacket
  • Halogen-free cable with standard dimensions
  • Railway-qualified cable
  • Low smoke and flame retardant
  • Ozone, UV, and weathering resistance
  • N, straight-plug connector types
  • REF to REF length types

Applications

  • Defense
  • Railway
  • Wireless infrastructure

Specifications

  • SPUMA Standard
    • 4.95mm to 14.99mm outer Ø
    • 0.087dB/m to 0.392dB/m attenuation at 1GHz
    • 160W to 920W maximum power at 1GHz
  • SPUMA Flame Retardant
    • 4.98mm to 12.78mm outer Ø
    • 0.111dB/m to 0.392dB/m attenuation at 1GHz
    • 160W to 750W maximum power at 1GHz
  • SPUMA Rotary Swage
    • 6.17mm to 15.00mm outer Ø
    • 0.095dB/m to 0.293dB/m attenuation at 1GHz
    • 230W to 870W maximum power at 1GHz
  • 50Ω impedance
  • 8GHz maximum operating frequency
  • Ø10.25mm
  • 3.9ns/m signal delay
  • 85% propagation velocity
  • -1.95dB to -1.04dB insertion loss range
  • -19.96dB to -10.18dB return loss range
  • 1.22 to 1.9 VSWR maximum range
  • 10.35mm cable diameter
  • 25mm static bending radius

Additional Resources

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Published: 2026-10-08 | Updated: 2026-10-12