The MMD-3580LU-KW from Marki Microwave is a Frequency Multiplier with Input Frequency 17.5 to 40 GHz, Output Frequency 35 to 80 GHz, Input Power 7 to 11 dBm, Output Power 23 dB (Power Handling), Supression F 38 dBc. Tags: Module with Connectors, Frequency Doubler, Passive. More details for MMD-3580LU-KW can be seen below.