The SKA-5037533030-1515-A1 from ERAVANT is a Waveguide Attenuator with Frequency 50 to 75 GHz, Average Power 0.1 to 1.99 W, Attenuation 2.2 to 30 dB, Insertion Loss 2.5 to 3 dB. Tags: Voltage Controlled Attenuator. More details for SKA-5037533030-1515-A1 can be seen below.