The STA-60-22-D5 from ERAVANT is a Waveguide Attenuator with Frequency 33 to 50 GHz, Average Power 0.25 to 0.75 W, Attenuation 0 to 60 dB, Insertion Loss 0.6 to 0.9 dB. Tags: Direct Reading Attenuator. More details for STA-60-22-D5 can be seen below.