The MM1-1857LS from Marki Microwave is a RF Mixer with RF Frequency 18 to 57 GHz, LO Frequency 18 to 57 GHz, IF Frequency DC to 21 GHz, Conversion Loss 8 to 13 dB, LO Drive - Power 7 to 15 dBm. Tags: Module with Connectors, Double Balanced Mixer, Up-Conversion Mixer, Down-Conversion Mixer, Passive Mixer. More details for MM1-1857LS can be seen below.