The MP3420/85/45MK-A4 from G-WAY Microwave is a RF Amplifier with Frequency 3377.5 to 3462.5 MHz, Gain 45 dB, Gain Flatness ±1 dB, Noise Figure 5 dB, Output Power 44 to 46 dBm. Tags: Power Amplifier. More details for MP3420/85/45MK-A4 can be seen below.