The HG115J from Microarray Technologies Corporation is a Gain Equalizer with Frequency 2 to 8 GHz, Slope 2 dB, Insertion Loss 0.5 to 2.5 dB, Operating Temperature -55 to 125 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount. More details for HG115J can be seen below.