The CHU2277-99F from United Monolithic Semiconductors is a Frequency Multiplier with Input Frequency 38 to 38.5 GHz, Output Frequency 76 to 77 GHz, Input Power 5 dBm, Output Power 13 dBm, VSWR 2.00:1, 2.50:1. Tags: Die, Active. More details for CHU2277-99F can be seen below.