The M4-0050 from Marki Microwave is a RF Mixer with RF Frequency 500 to 50000 MHz, LO Frequency 500 to 50000 MHz, IF Frequency DC to 300 MHz, Conversion Loss 9 dB, LO/RF Isolation 27 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for M4-0050 can be seen below.