The QE-7500-18000-S-25 from Qualwave is a Gain Equalizer with Frequency 7.5 to 18 GHz, Slope 25 dB, Insertion Loss 1.2 to 8.5 dB, Operating Temperature -45 to 75 Degree C. Tags: Module with Connectors. More details for QE-7500-18000-S-25 can be seen below.