The EQUF2P-4549-B5B5 from ETL Systems is a Gain Equalizer with Frequency 50 to 90 MHz, Gain Equalization 3±0.6 dB, Insertion Loss 2.5 dB, Power 16 dBm (0.04 W), Voltage Supply 35 V. Tags: Module with Connectors, Positive Gain Slope. More details for EQUF2P-4549-B5B5 can be seen below.