The DMM2A from Crane Aerospace & Electronics is a RF Mixer with RF Frequency 1500 to 4200 MHz, IF Frequency 0 to 1000 MHz, Conversion Loss 9 dB, LO Drive - Power 7 dBm, LO/RF Isolation 25 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for DMM2A can be seen below.