The HG115JH-1 from Microarray Technologies Corporation is a Gain Equalizer with Frequency 4 to 12 GHz, Slope 3.5 dB, Insertion Loss 0.4 to 3.9 dB, Operating Temperature -55 to 125 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount. More details for HG115JH-1 can be seen below.