The KB2060S45A from KeyLink Microwave is a RF Amplifier with Frequency 2 to 6 GHz, Gain 46 dB, Power Gain 46 dB, Gain Flatness ±2.5 dB, Saturated Power 44.77 dBm. Tags: Benchtop / Rackmount, Power Amplifier. More details for KB2060S45A can be seen below.