STE-KF612-12-S1-C is an E-band compact X6 frequency extender. The extender delivers frequency of 55 to 95 GHz with a typical output power of +12 dBm for an input signal within 9.17 to 15.83 GHz range. The extender has a typical harmonic suppression of -15 dBc. The compact design offers a practical solution for microwave frequency extension of synthesizers, such as Eravant models STL-SG-022203-S1 or SOT-02220313200-SF-B6.The input port configuration is a female K connector and the output is a WR-12 waveguide with a UG-387/U anti-cocking flange. Calibration data stored in the device memory can be directly accessed via USB-C cable. An AC to DC Power adapter and a Proxi-Flange™ Contactless Flange (STQ-WG-12010-FB-CF) is also included.