Keysight 11901B Adapter: 2.4 mm(f) to 3.5 mm(f), Metrology Grade, 26.5 GHz, 21.1 mm, 11900 Series
Keysight 11904D Metrology Grade Adapter: 2.4 mm (f) to 3.5 mm (m), 26.5 GHz, 21.8 mm, 11900 Series
Keysight 11904S Metrology-Grade Adapter Set: Precision 2.4 mm to 2.92 mm conversion for accurate measurements in high-frequency applications.