The M1-0412LP from Marki Microwave is a RF Mixer with RF Frequency 4 to 12 GHz, LO Frequency 4 to 12 GHz, IF Frequency DC to 4000 MHz, Conversion Loss 5 to 8.5 dB, LO Drive - Power 7 to 10 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for M1-0412LP can be seen below.