The HP Agilent V11645A verification kit has a W-15 connector and covers a frequency range of 50 to 75 GHz.Verification kits are used to verify that a network analyzer is operating within its specified performance. All verification kits include measurement data and uncertainties which are traceable to the U.S. National Institute of Standards and Technology (NIST). This kit includes a standard waveguide section, standard waveguide mismatch, 20 dB and 50 dB attenuators.