The SBE1040LW1 from Narda-MITEQ is a RF Mixer with RF Frequency 10000 to 40000 MHz, LO Frequency 5000 to 20000 MHz, IF Frequency 0 to 4000 MHz, Conversion Loss 10 dB, LO Drive - Power 12 dB. Tags: Module with Connectors. More details for SBE1040LW1 can be seen below.