The STA-60-06-D5 from ERAVANT is a Waveguide Attenuator with Frequency 110 to 170 GHz, Average Power 0.05 to 0.15 W, Attenuation 0 to 60 dB, Insertion Loss 3 to 4.5 dB. Tags: Direct Reading Attenuator. More details for STA-60-06-D5 can be seen below.