The MM1-1850HS 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 to 8.5 dB, LO Drive - Power 12 to 20 dBm. Tags: Module with Connectors, Double Balanced Mixer, Up-Conversion Mixer, Passive Mixer. More details for MM1-1850HS can be seen below.