The QPAS-500-3000-50-50S from Qualwave is a RF Amplifier with Frequency 0.5 to 3 GHz, Gain 50 dB, Power Gain 50 dB, Gain Flatness ±2.5 dB, P1dB 45 dBm. Tags: Benchtop / Rackmount, Power Amplifier. More details for QPAS-500-3000-50-50S can be seen below.