The M1-0620 from Marki Microwave is a RF Mixer with RF Frequency 6000 to 20000 MHz, LO Frequency 6000 to 20000 MHz, IF Frequency DC to 6 GHz, Conversion Loss 5.5 dB, LO/RF Isolation 40 dB. Tags: Surface Mount, Double Balanced Mixer. More details for M1-0620 can be seen below.