The DMM_4_500 from Crane Aerospace & Electronics is a RF Mixer with RF Frequency 10 to 1000 MHz, IF Frequency 0 to 500 MHz, Conversion Loss 8 dB, LO Drive - Power 13 dBm, LO/RF Isolation 30 dB. Tags: Module with Connectors. More details for DMM_4_500 can be seen below.