The HG115JB from Microarray Technologies Corporation is a Gain Equalizer with Frequency 2 to 12 GHz, Slope 3 dB, Insertion Loss 0.8 to 3.8 dB, Operating Temperature -55 to 125 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount. More details for HG115JB can be seen below.