The MMD-3567L from Marki Microwave is a Frequency Multiplier with Input Frequency 17.5 to 33.5 GHz, Output Frequency 35 to 67 GHz, Input Power 7 to 11 dBm, Harmonics 21 to 44 dBc, Conversion Loss 11 to 15 dB. Tags: Module with Connectors, Passive. More details for MMD-3567L can be seen below.