The DMF-4A-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 1000 MHz, Conversion Loss 6.5 to 8.5 dB, LO Drive - Power 13 dBm. Tags: Flatpack, Double Balanced Mixer, Passive Mixer. More details for DMF-4A-500 can be seen below.