The HG165SC from Microarray Technologies Corporation is a RF Variable Attenuator with Frequency 8 to 12 GHz, Attenuation Range 31.5 dB, Attenuation Accuracy -1 to 0.6 dB, Power 0.5 W, Insertion Loss 2.8 dB. Tags: Surface Mount, Digital, Voltage Controlled. More details for HG165SC can be seen below.