Keysight 85091C Electronic Calibration Module: Enhance measurement accuracy with this 300 kHz-9 GHz, 7 mm, 2-port module, part of the 8509xC Series, offering superior calibration capabilities for network analyzers.
Keysight 85093D/003/00M RF Ecal Module: Enhance RF measurements with this 300 kHz – 9 GHz, 3.5 mm (m), 2-port module, part of the 8509xD Series, offering precision calibration and verification capabilities.