The GEX-2018-N4 from Akon Inc is a Gain Equalizer with Frequency 2 to 18 GHz, Gain Equalization 3 dB, Slope 0.16 dB/GHz, Insertion Loss 2.5 to 5.5 dB, Power 30 dBm. Tags: Drop-in, Module with Connectors, Positive Gain Slope. More details for GEX-2018-N4 can be seen below.