The KB0825S53A from KeyLink Microwave is a RF Amplifier with Frequency 800 MHz to 2.5 GHz, Gain 53 dB, Output Power Limit 53.01 dBm, Output Power Limit 199.99 W, AC Voltage 100 to 260 VAC, 50/60Hz V. Tags: Power Amplifier. More details for KB0825S53A can be seen below.