The MEQ3-30A from Marki Microwave is a Gain Equalizer with Frequency DC to 30 GHz, Gain Equalization 3 dB, Insertion Loss 3 dB, Impedance 50 Ohms, Storage Temperature -65 to 125 Degree C. Tags: Surface Mount, Positive Gain Slope. More details for MEQ3-30A can be seen below.