The E1G52G01 from Microwave Circuits is a Gain Equalizer with Frequency 1.5 to 2 GHz, Gain Equalization 5 dB, Insertion Loss 1 to 6 dB, Power 30 dBm, Impedance 50 Ohms. Tags: Module with Connectors, Positive Gain Slope. More details for E1G52G01 can be seen below.