The DB0418LE1 from Narda-MITEQ is a RF Mixer with RF Frequency 4000 to 18000 MHz, LO Frequency 4000 to 18000 MHz, IF Frequency 0 to 2000 MHz, Conversion Loss 7 dB, Noise Figure 7.5 dB. Tags: Drop-In, Double Balanced Mixer. More details for DB0418LE1 can be seen below.