The QPA40-8.5-9.6-40 from Qualink Microwave is a RF Amplifier with Frequency 8.5 to 9.6 GHz, Gain 40 dB, Gain Flatness ±1.5 dB, Output Power 39 to 40 dBm, Output Power 7.94 to 10 W. Tags: Power Amplifier. More details for QPA40-8.5-9.6-40 can be seen below.