The MMD-1250HCH from Marki Microwave is a Frequency Multiplier with Input Frequency 6 to 25 GHz, Output Frequency 12 to 50 GHz, Input Power 11 to 19 dBm, Output Power 23 dB (Power Handling), Supression F 32 dBc. Tags: Surface Mount, Frequency Doubler, Passive. More details for MMD-1250HCH can be seen below.