The CA11-10 from MCLI is a RF Variable Attenuator with Frequency 8 to 18 GHz, Attenuation Range 10 dB, Attenuation Accuracy 1.5 dB, Power 5 W, Peak Power 64.77 dBm. Tags: Module with Connectors, Continuously Variable, Rotary. More details for CA11-10 can be seen below.