The EQUL1P-4517-F7F7 from ETL Systems is a Gain Equalizer with Frequency 850 MHz to 2.15 GHz, Gain Equalization 7±1.5 dB, Insertion Loss 5 to 7 dB, Power 37 dBm (5W), Voltage Supply 28 V. Tags: Module with Connectors, Positive Gain Slope. More details for EQUL1P-4517-F7F7 can be seen below.