RF eCal-Module, 2-Port 3.5mm Connector, 300kHz-9GHz, options: 00F= Both 3.5mm connectors on module are female The Agilent (now Keysight) 85093C is a RF Electronic Calibration Module (eCal Module) with a bandwidth from 300 kHz to 9 GHz designed for easy, accurate and fast calibration of network analyzers. Fast full two-port calibration with a single connection Simple non-insertable device calibration NIST traceable accurate calibrations Reduced connector wear USB interface for direct control with PNA and ENA series of network analyzers Reliable solid-state switching Mixed connector options available (3.5 mm, Type-N 50 ohms, and 7-16)