The EQUL1P-4565-B5B5 from ETL Systems is a Gain Equalizer with Frequency 850 MHz to 2.15 GHz, Gain Equalization 13±2 dB, Power 16 dBm (0.04 W), Voltage Supply 35 V, Current 500 mA. Tags: Module with Connectors, Positive Gain Slope. More details for EQUL1P-4565-B5B5 can be seen below.