The CHU3377-98F from United Monolithic Semiconductors is a Frequency Multiplier with Input Frequency 12.67 to 12.83 GHz, Output Frequency 76 to 77 GHz, Input Power 4 dBm, Output Power 15 dBm, VSWR 1.50:1, 2.50:1. Tags: Die, Active. More details for CHU3377-98F can be seen below.