The CA1-10/D from MCLI is a RF Variable Attenuator with Frequency 3 to 4 GHz, Attenuation Range 10 dB, Attenuation Accuracy 1.5 dB, Power 7 W, Peak Power 64.77 dBm. Tags: Module with Connectors, Continuously Variable, Rotary. More details for CA1-10/D can be seen below.