The DMM2 from Crane Aerospace & Electronics is a RF Mixer with RF Frequency 1 to 500 MHz, IF Frequency 0 to 500 MHz, Conversion Loss 9 dB, LO Drive - Power 7 dBm, LO/RF Isolation 30 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for DMM2 can be seen below.