FM Combiners with 2 cavities or 3 cavities FM Filters

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Among the most important parameters are inputs isolation, return and insertion loss. Since each combining system is different, we analyze, design and develop a custom product to provide flexible solutions.  Only the highest quality components are used to ensure stable and trouble-free performance.

FM STARPOINT Combiners (with 2 or 3 cavities filters)
FM DUAL-BRIDGE Combiners (with 2 or 3 cavities filters)
FM Mixed Configuration Combiners (made of DUAL-BRIDGE and STARPOINT


  • Flexible and compact
  • Light alloy and brass construction
  • Temperature stabilised
  • Cylindrical cavity at high mechanical stability
  • Retunable
  • Thermic stabilization carried out with INVAR
  • Mounted in any position
  • Natural convection cooling
  • Fine tuning
  • Silver superficial treatments and outer painting

Technical Features:

IN/OUT Impedance 50OHM
Frequency Range 87.5MHz – 108MHz
Input Power up to 30kW
Insertion Loss Depending on models
Return Loss >27dB
Attenuation ±2MHz >22dB
Attenuation ±1MHz >40dB (only 3-cav filters)
Temperature Range 30°C to +45°C