The AT-LIA-0220-N28P12-4504P18 from AT Microwave is a RF Amplifier with Frequency 2 to 20 GHz, Small Signal Gain 40 dB, Output Power 16 to 18 dBm, Output Power 0.04 to 0.06 W, P1dB 16 dBm. Tags: Limiting Amplifier. More details for AT-LIA-0220-N28P12-4504P18 can be seen below.