The E1G518G5 from Microwave Circuits is a Gain Equalizer with Frequency 1.5 to 18 GHz, Gain Equalization 23.5 dB, Insertion Loss 1.5 to 25 dB, Operating Temperature -30 to 80 Degree C. Tags: Module with Connectors, Positive Gain Slope. More details for E1G518G5 can be seen below.