The M1-0818 from Marki Microwave is a RF Mixer with RF Frequency 8000 to 18000 MHz, LO Frequency 8000 to 18000 MHz, IF Frequency DC to 4 GHz, Conversion Loss 6 dB, LO/RF Isolation 35 dB. Tags: Surface Mount, Double Balanced Mixer. More details for M1-0818 can be seen below.