The QPA40-0.1-3-40 from Qualink Microwave is a RF Amplifier with Frequency 100 MHz to 3 GHz, Gain 40 dB, Gain Flatness ±1 dB, Output Power 38 to 40 dBm, Output Power 6.31 to 10 W. Tags: Power Amplifier. More details for QPA40-0.1-3-40 can be seen below.