The CAL-10-02 from Ducommun is a level setting attenuator that operates from 75 to 110 GHz. It has a waveguide size of WR-10, an attenuation range from 0 to 25 dB and a VSWR of 1.30:1. This waveguide attenuator is equipped with a micrometer to enables rapid re-setting and can handle up to 0.3 W of power. It can be used in the test setups and prototype assemblies where certain attenuation is required.