The QP-EQ3D0-0018-01 from QP Microwave is a Gain Equalizer with Frequency 500 MHz to 18 GHz, Gain Equalization 3±0.5 dB, Slope 3±0.5 dB, Insertion Loss 1 dB, Operating Temperature -40 to 85 Degree C. Tags: Connectorized, Negative Gain Slope. More details for QP-EQ3D0-0018-01 can be seen below.