The STA-60-28-P1-2 from ERAVANT is a Waveguide Attenuator with Frequency 26.5 to 40 GHz, Average Power 0.05 to 0.1 W, Attenuation 0 to 60 dB, Insertion Loss 0.5 dB. Tags: Programmable Attenuator, Direct Reading Attenuator. More details for STA-60-28-P1-2 can be seen below.