The QPA-500-600-53-54.8S from Qualwave is a RF Amplifier with Frequency 0.5 to 0.6 GHz, Gain 53 dB, Gain Flatness 3±1 dB, Saturated Power 54.8 dBm, Saturated Power 302 W. Tags: Power Amplifier. More details for QPA-500-600-53-54.8S can be seen below.