Use for signal monitoring or (when combined with a coaxial detector) signal leveling; includes 3.5-mm female connectors.


  • Wide frequency coverage
  • High directivity
  • Compact size
  • Frequency range: 6 to 26.5 GHz
  • Nominal coupling & variation: 10 ± 0.5 dB
  • Directivity: 13 dB
  • Maximum SWR: 1.4
  • Insertion loss: < 1.3 dB

The Keysight 87300D is a compact, broadband directional sampling coupler designed for signal monitoring or, when combined with a coaxial detector, signal leveling. It is supplied with 3.5-mm female connectors.

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