The AT-HPA-1840-3538GN from AT Microwave is a RF Amplifier with Frequency 18 to 40 GHz, Small Signal Gain 35 dB, Output Power 38 dBm, Output Power 6.31 W, Saturated Power 38 dBm. Tags: Power Amplifier. More details for AT-HPA-1840-3538GN can be seen below.