The M4-0265 from Marki Microwave is a RF Mixer with RF Frequency 2000 to 65000 MHz, LO Frequency 2000 to 65000 MHz, IF Frequency DC to 100 MHz, Conversion Loss 8 dB, LO/RF Isolation 25 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for M4-0265 can be seen below.