The CVA31-10/D from MCLI is a RF Variable Attenuator with Frequency 18 to 40 GHz, Attenuation Range 10 dB, Power 7 W, Peak Power 64.77 dBm, Insertion Loss 1.5 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for CVA31-10/D can be seen below.