The Keysight Technologies Electronic Calibration (ECal) modules bring calibration to your vector network analyzers with just a single connection. The ECal modules are state-of-the-art, solid state devices with programmable and highly repeatable impedance states which are traceable via the National Metrology Institute. ECal modules are controlled directly from the Keysight network analyzers

Efficient single calibration standard
Precision, accurate transfer standards
Broad choice of solutions up to 36-ports
Frequency coverage down to DC
Supported by trusted Keysight vector network analyzers