The AT-HPA-0218-4039GN from AT Microwave is a RF Amplifier with Frequency 2 to 18 GHz, Small Signal Gain 40 dB, Output Power 39 dBm, Output Power 7.94 W, Saturated Power 39 dBm. Tags: Power Amplifier. More details for AT-HPA-0218-4039GN can be seen below.