The QEQ2-18-10 from Qualink Microwave is a Gain Equalizer with Frequency 2 to 18 GHz, Gain Equalization 10 dB, Insertion Loss 1.3 dB, Impedance 50 Ohms. Tags: Module with Connectors, Positive Gain Slope. More details for QEQ2-18-10 can be seen below.