The 350AH1 from AR RF/Microwave Instrumentation is a RF Amplifier with Frequency 10 Hz to 1 MHz, Gain 39 to 47 dB, Gain Flatness ±4 dB, AC Voltage 90 to 260 V, Current Consumption 5.5 to 14 A. Tags: Power Amplifier. More details for 350AH1 can be seen below.