RF Electronic Calibration Module (ECal), 300 KHz To 18 GHz, 4-ports
N4432D - Keysight Technologies
The Keysight N4432D is a precision 4-port ECal module that supports selection of Type-N and 3.5 mm connectors mixed up to 18 GHz. Select either female-female, male-male, or female-male connectors.