The QPA-40000-60000-35-20S from Qualwave is a RF Amplifier with Frequency 40 to 60 GHz, Gain 35 dB, Small Signal Gain 35 dB, Gain Flatness ±5 dB, Saturated Power 20 dBm. Tags: Power Amplifier. More details for QPA-40000-60000-35-20S can be seen below.