The MMD-3580L 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, Harmonics 21 to 44 dBc, Conversion Loss 11 dB. Tags: Surface Mount, Module with Connectors, Passive. More details for MMD-3580L can be seen below.