The MM1-1140HSM from Marki Microwave is a RF Mixer with RF Frequency 11 to 40 GHz, LO Frequency 11 to 40 GHz, IF Frequency DC to 12 GHz, Conversion Loss 7 to 14 dB, LO Drive - Power 14 to 23 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MM1-1140HSM can be seen below.