The APN319 from Northrop Grumman Corporation is a RF Amplifier with Frequency 47.2 to 51.4 GHz, Gain 10 to 18.5 dB (Linear), Saturated Power 0.317 to 3.549 W, Input Return Loss -25 to -5 dB, Supply Voltage 20 to 28 V. Tags: Die, Power Amplifier, Driver Amplifier. More details for APN319 can be seen below.