The KB002052S54A from KeyLink Microwave is a RF Amplifier with Frequency 20 to 520 MHz, Gain 54 dB, Output Power Limit 54.77 dBm, Output Power Limit 299.92 W, AC Voltage 100 to 260 VAC, 50/60Hz V. Tags: Power Amplifier. More details for KB002052S54A can be seen below.