The MM1-1850SSM-2 from Marki Microwave is a RF Mixer with RF Frequency 18 to 45 GHz, LO Frequency 18 to 45 GHz, IF Frequency DC to 21 GHz, Conversion Loss 7.9 to 12 dB, Noise Figure 9.7 dB. Tags: Surface Mount, Double Balanced Mixer, Up-Conversion Mixer, Down-Conversion Mixer, Passive Mixer. More details for MM1-1850SSM-2 can be seen below.