The HA50-9-15 from MCLI is a RF Variable Attenuator with Frequency 11.7 to 18 GHz, Attenuation Range 15 dB, Power 50 W, Peak Power 66.99 dBm, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for HA50-9-15 can be seen below.