The M1826W1 from Narda-MITEQ is a RF Mixer with RF Frequency 18000 to 26000 MHz, LO Frequency 18000 to 26000 MHz, IF Frequency 0 to 8000 MHz, Conversion Loss 9 dB, Noise Figure 9.5 dB. Tags: Module with Connectors. More details for M1826W1 can be seen below.