The CVA11-60 from MCLI is a RF Variable Attenuator with Frequency 7.9 to 12.7 GHz, Attenuation Range 60 dB, Power 7 W, Peak Power 64.77 dBm, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for CVA11-60 can be seen below.