The MM1H-1140HCH-2 from Marki Microwave is a Space Qualified RF Mixer with LO Frequency 11 to 40 GHz, IF Frequency DC to 12 GHz, Conversion Loss 8 to 16 dB, LO Drive - Power 12 to 20 dBm, P1dB 9 dBm. Tags: Die, Double Balanced Mixer, Passive Mixer. More details for MM1H-1140HCH-2 can be seen below.