STQ-TO-12-U3-CKIT1 is an E-band waveguide vector network analyzer (VNA) calibration kit designed to work with industry standard network analyzers in the frequency range of 60 to 90 GHz.

The calibration kit consists of two straight waveguide sections, one fixed short, one fixed matching load, one sliding load, one ¼ wavelength offset, two waveguide quick connects, ten 3/32 hex head waveguide screws, a 3/32" hex waveguide screw driver and one calibration data USB drive.