The QE-750-18000-S-25 from Qualwave is a Gain Equalizer with Frequency 0.75 to 18 GHz, Slope 25 dB, Insertion Loss 1.2 to 8.5 dB, Operating Temperature -40 to 75 Degree C. Tags: Module with Connectors. More details for QE-750-18000-S-25 can be seen below.