The CVA9-40 from MCLI is a RF Variable Attenuator with Frequency 6 to 11 GHz, Attenuation Range 40 dB, Power 7 W, Peak Power 64.77 dBm, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for CVA9-40 can be seen below.