The HG136S from Microarray Technologies Corporation is a RF Variable Attenuator with Frequency DC to 18 GHz, Attenuation Range 35 dB, Attenuation Accuracy -0.5 to 2 dB, Power 0.5 W, Insertion Loss 2 dB. Tags: Surface Mount, Digital, Voltage Controlled. More details for HG136S can be seen below.