The E2001G41 from Microwave Circuits is a Gain Equalizer with Frequency 200 MHz to 1.4 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 E2001G41 can be seen below.