The QPA-1805-2170-47-50S from Qualwave is a RF Amplifier with Frequency 1.805 to 2.17 GHz, Gain 47 dB, Saturated Power 50 dBm, Saturated Power 100 W, Input Power 2±1 dBm. Tags: Power Amplifier. More details for QPA-1805-2170-47-50S can be seen below.