The MM1-0320LS from Marki Microwave is a RF Mixer with RF Frequency 3 to 20 GHz, LO Frequency 3 to 20 GHz, IF Frequency DC to 4 GHz, Conversion Loss 8 to 13 dB, LO Drive - Power 5 to 9 dBm. Tags: Module with Connectors, Double Balanced Mixer, Passive Mixer. More details for MM1-0320LS can be seen below.