The KB1020S55A from KeyLink Microwave is a RF Amplifier with Frequency 1 to 2 GHz, Power Gain 57 dB, Gain Flatness 2.5 dB (Power Gain Flatness), Output Power 54.77 dBm, Output Power 299.92 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for KB1020S55A can be seen below.