The APH667 from Northrop Grumman Corporation is a RF Amplifier with Frequency 81 to 86 GHz, Gain 13.5 to 14 dB (Linear), Saturated Power 0.282 to 0.355 W, Input Return Loss 16 to 20 dB, Supply Voltage 4 V. Tags: Die, Power Amplifier. More details for APH667 can be seen below.