The 100A250AM4 from AR RF/Microwave Instrumentation is a RF Amplifier with Frequency 10 kHz to 250 MHz, Gain 50 dB, Gain Flatness ±1.5 dB, Output Power 48.75 to 50.29 dBm, Output Power 74.99 to 106.91 W. Tags: Power Amplifier. More details for 100A250AM4 can be seen below.