The M9-0545 from Marki Microwave is a RF Mixer with RF Frequency 5000 to 45000 MHz, LO Frequency 5000 to 45000 MHz, IF Frequency DC to 4 GHz, Conversion Loss 8 dB, LO/RF Isolation 28 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for M9-0545 can be seen below.