The KB2060S53B from KeyLink Microwave is a RF Amplifier with Frequency 2 to 6 GHz, Power Gain 53 dB, Gain Flatness 2.5 dB (Power Gain Flatness), Output Power 51.76 to 53.01 dBm, Output Power 149.97 to 199.99 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for KB2060S53B can be seen below.