The A2X4044-2 from Quantic MWD is a Frequency Multiplier with Input Frequency 20 to 22 GHz, Output Frequency 40 to 44 GHz, Input Power 7 dBm, Output Power 17 dBm, Harmonics 50 to 65 dBc. Tags: Module with Connectors. More details for A2X4044-2 can be seen below.