The M3214 from Advanced Microwave Inc is a RF Mixer with RF Frequency 3000 to 14000 MHz, LO Frequency 3000 to 14000 MHz, IF Frequency 0 to 2000 MHz, Conversion Loss 5.5 to 8 dB, LO/RF Isolation 30 to 22 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for M3214 can be seen below.