The AT-PA-4570-1820C from AT Microwave is a RF Amplifier with Frequency 45 to 70 GHz, Small Signal Gain 18 dB, Output Power 18 to 20 dBm, Output Power 0.06 to 0.1 W, P1dB 18 dBm. Tags: Power Amplifier. More details for AT-PA-4570-1820C can be seen below.