The CA19-15 from MCLI is a RF Variable Attenuator with Frequency 1.8 to 2.15 GHz, Attenuation Range 15 dB, Attenuation Accuracy 1 dB, Power 7 W, Peak Power 64.77 dBm. Tags: Module with Connectors, Continuously Variable, Rotary. More details for CA19-15 can be seen below.