The DMM-12-500 from Crane Aerospace & Electronics is a RF Mixer with RF Frequency 10 to 1000 MHz, LO Frequency 10 to 1000 MHz, IF Frequency DC to 500 MHz, Conversion Loss 6 to 9.5 dB, LO Drive - Power 24 dBm. Tags: Module with Connectors, Double Balanced Mixer, Passive Mixer. More details for DMM-12-500 can be seen below.