The E1G518G6 from Microwave Circuits is a Gain Equalizer with Frequency 1.5 to 18 GHz, Gain Equalization 28.5 dB, Insertion Loss 1.5 to 30 dB, Power 30 dBm, Impedance 50 Ohms. Tags: Module with Connectors, Positive Gain Slope. More details for E1G518G6 can be seen below.