The MP4000/4G/41MK-A from G-WAY Microwave is a RF Amplifier with Frequency 2000 to 6000 MHz, Gain 42 dB, Gain Flatness ±2 dB, Output Power 41 to 43 dBm, Output Power 12.59 to 19.95 W. Tags: Power Amplifier. More details for MP4000/4G/41MK-A can be seen below.