The ERZ-EQU-0000-2000-20 from ERZIA is a Gain Equalizer with Frequency 0.01 to 20 GHz, Gain Equalization -20 to -2.5 dB, Insertion Loss -20 to -2.5 dB, Power 30 dBm, Operating Temperature -40 to 85 Degree C. Tags: Module with Connectors, Positive Gain Slope. More details for ERZ-EQU-0000-2000-20 can be seen below.