The AT-PA-1743-3803P28 from AT Microwave is a RF Amplifier with Frequency 17 to 43 GHz, Small Signal Gain 38 dB, Noise Figure 3 dB, Output Power 27 to 28 dBm, Output Power 0.5 to 0.63 W. Tags: Power Amplifier. More details for AT-PA-1743-3803P28 can be seen below.