The MP400/50/44MK-A from G-WAY Microwave is a RF Amplifier with Frequency 350 to 510 MHz, Gain 45 dB, Gain Flatness ±0.5 dB, Output Power 43 to 44 dBm, Output Power 19.95 to 25.12 W. Tags: Power Amplifier, Automatic Gain Controlled Amplifier. More details for MP400/50/44MK-A can be seen below.