2.92(K) Adapters

2.92mm (K) Connectors are RF/Microwave coaxial connectors that operate up to 40 GHz. These connectors are compatible to mate with SMA and 3.5mm connectors. The 2.92mm connectors are standardized as per IEC 61169-35, and are ideal for high-frequency module and T&M applications.
The male pin is shorter than that of an SMA or 3.5mm to ensure that the outer contacts of the male and female connectors engage before the pin and female receptacle do. This ensures that the pin and socket will not see excessive wear and mating stress seen by misalignment in an SMA or 3.5mm connector. The 2.92mm connector also has a thicker wall than a standard SMA. The 2.92mm series mates with SMA and 3.5mm connectors.


  • Frequency range DC to 40 GHz (usable to 46 GHz)
  • Low VSWR
  • Low RF Leakage
  • Superior reliability
  • Compatible with SMA and 3.5mm connector series


  • High Speed Digital
  • Instrumentation
  • Military
  • Aerospace
  • Satellite Communication Equipment (SATCOM)
  • Cable Assemblies
  • Test and measurement


2.92(K) Connectors Specifications
Frequency40 GHz
VSWR1.03 + .005 f
Insertion Loss.04 √ f (GHz)
Shielding Effectiveness≥ 100 dB

Note: These characteristics are typical and may not apply to all connectors.

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