The 40S4G11M2 from AR RF/Microwave Instrumentation is a RF Amplifier with Frequency 4 to 10.6 GHz, Gain 46 dB, Gain Flatness ±3 dB, Output Power 45.56 to 46.02 dBm, Output Power 35.97 to 39.99 W. Tags: Power Amplifier. More details for 40S4G11M2 can be seen below.