The E5209201 from Microwave Circuits is a Gain Equalizer with Frequency 520 to 920 MHz, Gain Equalization 3 dB, Insertion Loss 1 to 4 dB, Power 30 dBm, Impedance 50 Ohms. Tags: Module with Connectors, Positive Gain Slope. More details for E5209201 can be seen below.