The KB0525S51A from KeyLink Microwave is a RF Amplifier with Frequency 500 MHz to 2.5 GHz, Gain 51 dB, Output Power Limit 50.97 dBm, Output Power Limit 125.03 W, AC Voltage 100 to 260 VAC, 50/60Hz V. Tags: Power Amplifier. More details for KB0525S51A can be seen below.