The AT-PA-0120-2028 from AT Microwave is a RF Amplifier with Frequency 1 to 20 GHz, Gain 20 dB, Small Signal Gain 20 dB, Output Power 26 to 28 dBm, Output Power 0.4 to 0.63 W. Tags: Power Amplifier. More details for AT-PA-0120-2028 can be seen below.