85058E
Economy mechanical calibration kit, DC to 67 GHz, 1.85 mm
Open Market/ 12 Weeks
85056A
Standard mechanical calibration kit, DC to 50 GHz, 2.4 mm
85052C
Precision mechanical calibration kit, DC to 26.5 GHz, 3.5 mm
N5262AC01
Calibration kit, 750 GHz - 1.1 THz, WR-1.0, from Virginia Diodes, Inc