The 5S4G11M3 from AR RF/Microwave Instrumentation is a RF Amplifier with Frequency 4 to 10.6 GHz, Gain 37 dB, Gain Flatness ±3 dB, Output Power 36.53 to 37.78 dBm, Output Power 4.5 to 6 W. Tags: Power Amplifier. More details for 5S4G11M3 can be seen below.