The 500A250CM4 from AR RF/Microwave Instrumentation is a RF Amplifier with Frequency 10 kHz to 250 MHz, Gain 57 dB, Gain Flatness ±2.5 dB, Output Power 56.99 to 57.78 dBm, Output Power 500.03 to 599.79 W. Tags: Power Amplifier. More details for 500A250CM4 can be seen below.