The MMD-40120HCH from Marki Microwave is a Frequency Multiplier with Input Frequency 20 to 60 GHz, Output Frequency 40 to 120 GHz, Input Power 10 to 15 dBm, Output Power 25 dBm (Power Handling), Supression F 30 dBc. Tags: Surface Mount, Frequency Doubler, Passive. More details for MMD-40120HCH can be seen below.