The DMF-2A-250 SQ from Crane Aerospace & Electronics is a Space Qualified RF Mixer with RF Frequency DC to 500 MHz, LO Frequency 10 to 500 MHz, IF Frequency DC to 500 MHz, Conversion Loss 7 to 8 dB, LO Drive - Power 7 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for DMF-2A-250 SQ can be seen below.