The MM1-1850SS from Marki Microwave is a RF Mixer with RF Frequency 18 to 50 GHz, LO Frequency 18 to 50 GHz, IF Frequency DC to 20 GHz, Conversion Loss 8.5 dB, LO Drive - Power 17 to 23 dBm. Tags: Module with Connectors, Double Balanced Mixer, Passive Mixer, Up-Conversion Mixer, Down-Conversion Mixer. More details for MM1-1850SS can be seen below.