The HG114J from Microarray Technologies Corporation is a Gain Equalizer with Frequency 1 to 5 GHz, Slope 2 dB, Insertion Loss 0.6 to 2.6 dB, Operating Temperature -55 to 125 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount. More details for HG114J can be seen below.