The SKA-2734032530-2828-A1 from ERAVANT is a Waveguide Attenuator with Frequency 26.5 to 40 GHz, Average Power 0.1 to 0.2 W, Attenuation 30 dB, Insertion Loss 2.5 to 3 dB. Tags: Voltage Controlled Attenuator. More details for SKA-2734032530-2828-A1 can be seen below.