RF Electronic Calibration Module (ECal), DC To 13.5 GHz, 4-ports
N4431D - Keysight Technologies
The Keysight N4431D RF electronic calibration (ECal) module makes calibration of Keysight vector network analyzers fast, easy and accurate. The N4431D is a precision 4-ports ECal module that supports multiple selection of connectors like Type-N, 3.5 mm, 7-16 and 4.3-10 connectors and can be mixed up to 13.5 GHz. Select either female-female, male-male, or female-male connectors.