The APN173 from Northrop Grumman is a RF Amplifier with Frequency 34 to 36 GHz, Gain 18 to 19.5 dB, Output Power 37 to 37.5 dBm, Output Power 5.01 to 5.62 W, Saturated Power 37 to 37.5 dBm. Tags: Power Amplifier. More details for APN173 can be seen below.