The TBR0226LW2 from Narda-MITEQ is a RF Mixer with RF Frequency 2000 to 26000 MHz, LO Frequency 2000 to 26000 MHz, IF Frequency 50 to 3000 MHz, Conversion Loss 10 dB, Noise Figure 13 dB. Tags: Module with Connectors, Triple Balanced Mixer. More details for TBR0226LW2 can be seen below.