The M9-0942 from Marki Microwave is a RF Mixer with RF Frequency 9000 to 42000 MHz, LO Frequency 9000 to 42000 MHz, IF Frequency 1 to 22 GHz, Conversion Loss 10 dB, LO/RF Isolation 25 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for M9-0942 can be seen below.