The QPA40-14-15.5-40 from Qualink Microwave is a RF Amplifier with Frequency 14 to 15.5 GHz, Gain 40 dB, Gain Flatness ±2 dB, Output Power 39 to 40 dBm, Output Power 7.94 to 10 W. Tags: Power Amplifier. More details for QPA40-14-15.5-40 can be seen below.