The M2-0004 from Marki Microwave is a RF Mixer with RF Frequency 10 to 4000 MHz, LO Frequency 10 to 4000 MHz, IF Frequency .0002 to 3 GHz, Conversion Loss 6.5 dB, LO/RF Isolation 30 dB. Tags: Surface Mount, Triple Balanced Mixer. More details for M2-0004 can be seen below.